{"id":148700,"date":"2022-03-21T09:32:56","date_gmt":"2022-03-21T04:02:56","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/periodic-table-of-elements-trends-and-patterns\/"},"modified":"2025-05-16T12:53:13","modified_gmt":"2025-05-16T07:23:13","slug":"periodic-table-of-elements-trends-and-patterns","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/chemistry\/periodic-table-elements\/","title":{"rendered":"Periodic Table of Elements"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/periodic-table-elements\/#Why_was_Mendeleev_Periodic_Table_widely_accepted\" title=\"Why was Mendeleev Periodic Table widely accepted?\">Why was Mendeleev Periodic Table widely accepted?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/periodic-table-elements\/#Periodic_Table_of_Elements_with_Names_Symbols_and_Atomic_Number\" title=\"Periodic Table of Elements with Names, Symbols, and Atomic Number\">Periodic Table of Elements with Names, Symbols, and Atomic Number<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/periodic-table-elements\/#First_30_Elements_of_the_Periodic_Table_with_Chemical_Symbols_and_Atomic_Mass\" title=\"First 30 Elements of the Periodic Table with Chemical Symbols and Atomic Mass\">First 30 Elements of the Periodic Table with Chemical Symbols and Atomic Mass<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/periodic-table-elements\/#What_are_the_Types_of_Elements_in_the_Periodic_Table_of_Chemistry\" title=\"What are the Types of Elements in the Periodic Table of Chemistry?\">What are the Types of Elements in the Periodic Table of Chemistry?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/periodic-table-elements\/#FAQs_on_Periodic_Table_of_Elements\" title=\"FAQs on Periodic Table of Elements\">FAQs on Periodic Table of Elements<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/periodic-table-elements\/#WHAT_ARE_ELEMENTS_IN_THE_PERIODIC_TABLE_OF_CHEMISTRY\" title=\"WHAT ARE ELEMENTS IN THE PERIODIC TABLE OF CHEMISTRY?\">WHAT ARE ELEMENTS IN THE PERIODIC TABLE OF CHEMISTRY?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/periodic-table-elements\/#WHAT_ARE_THE_FIRST_20_ELEMENTS_OF_THE_PERIODIC_TABLE_OF_CHEMISTRY\" title=\"WHAT ARE THE FIRST 20 ELEMENTS OF THE PERIODIC TABLE OF CHEMISTRY?\">WHAT ARE THE FIRST 20 ELEMENTS OF THE PERIODIC TABLE OF CHEMISTRY?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/periodic-table-elements\/#WHAT_DOES_THE_MODERN_PERIODIC_TABLE_MEAN\" title=\"WHAT DOES THE MODERN PERIODIC TABLE MEAN? \">WHAT DOES THE MODERN PERIODIC TABLE MEAN? <\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/periodic-table-elements\/#How_many_metals_and_non-metals_are_there_in_118_elements\" title=\"How many metals and non-metals are there in 118 elements?\">How many metals and non-metals are there in 118 elements?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/periodic-table-elements\/#What_are_the_4_blocks_on_the_periodic_table\" title=\"What are the 4 blocks on the periodic table?\">What are the 4 blocks on the periodic table?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/periodic-table-elements\/#Who_found_the_first_element_of_Periodic_table\" title=\"Who found the first element of Periodic table?\">Who found the first element of Periodic table?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/periodic-table-elements\/#How_many_elements_are_there_in_periodic_table\" title=\"How many elements are there in periodic table?\">How many elements are there in periodic table?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/periodic-table-elements\/#What_is_a_group_in_a_periodic_table\" title=\"What is a group in a periodic table?\">What is a group in a periodic table?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p>The<strong> periodic table of chemical elements<\/strong> is generally known as the periodic table. It is a chart in which all the discovered elements are organised in rows (called periods) and columns (called groups) based on their increasing atomic number. The <strong>periodic table<\/strong> is often used to get quick information about an element, like nuclear mass and chemical symbols. The regular table design also allows scientists to detect patterns in element properties such as electronegativity, ionization energy, and atomic radius.<\/p>\n<p>Many scientists worked on the problem of grouping the elements, but in 1869, <strong>Dimitri Mendeleev<\/strong> published his version of the periodic table. Since then, the periodic table has changed to reflect almost 150 years of chemistry and physics technological progress and understanding. With 118 known elements today, it is often regarded as one of science&#8217;s most significant achievements in science.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-702264\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/MicrosoftTeams-image-21.jpg\" alt=\"Periodic Table of Elements\" width=\"1380\" height=\"920\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/MicrosoftTeams-image-21.jpg 1380w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/MicrosoftTeams-image-21-300x200.jpg 300w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/MicrosoftTeams-image-21-1024x683.jpg 1024w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/MicrosoftTeams-image-21-768x512.jpg 768w\" sizes=\"(max-width: 1380px) 100vw, 1380px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Why_was_Mendeleev_Periodic_Table_widely_accepted\"><\/span>Why was Mendeleev Periodic Table widely accepted?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong><a href=\"https:\/\/infinitylearn.com\/surge\/science\/dmitri-mendeleev\/\">Dimitri Mendeleev<\/a><\/strong>, often called the founding figure of the periodic table, introduced the initial version of the periodic table that resembles the one we currently use. However, there is a significant difference between Mendeleev&#8217;s approach and the way we organize the periodic table today.<\/p>\n<p><strong>Mendeleev<\/strong> organized his periodic table by arranging elements in order of increasing atomic mass. In contrast, the modern periodic table is organized by increasing atomic numbers.<\/p>\n<p>Even though <strong>Mendeleev&#8217;s periodic table<\/strong> was based on the weight of atoms, he successfully predicted the existence and properties of certain elements. During his time, only about half of the elements we now know were discovered, and the information available about these elements was often incorrect. Mendeleev&#8217;s Periodic Table was published in the German Journal of Chemistry in 1869.<\/p>\n<div class=\"card\" style=\"text-align: center;\"><a class=\"btn btn-primary\" href=\"https:\/\/infinitylearn.com\/one-stop-solutions-for-school-prep?utm_source=surge&amp;utm_medium=interlinking\"><br \/>\n<img loading=\"lazy\" class=\" lazyloaded\" style=\"width: 100%; border-radius: 10px;\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/09\/one-stop-solution-for-school-exam.jpg\" alt=\"one-stop-solutions school exam\" width=\"1201\" height=\"636\" data-src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/09\/one-stop-solution-for-school-exam.jpg\" \/><\/a><a class=\"btn btn-primary\" href=\"https:\/\/infinitylearn.com\/one-stop-solutions-for-school-prep?utm_source=surge&amp;utm_medium=interlinking\"><button><strong>One Stop Solutions for School Exam Preparation<\/strong><\/button><\/a><\/p>\n<div style=\"text-align: center;\">Boost your school preparation with our comprehensive guide for CBSE, ICSE, and State Board exams. Get all the resources you need in one place and excel in your academic journey. Discover the ultimate one-stop solution at Infinity Learn today!<\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Periodic_Table_of_Elements_with_Names_Symbols_and_Atomic_Number\"><\/span>Periodic Table of Elements with Names, Symbols, and Atomic Number<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>All the <strong>elements of the Periodic Table<\/strong> are given below with their names and symbols.<\/p>\n<div class=\"table-responsive\">\n<table class=\"table table-bordered table-striped\" style=\"width: 53.85%; height: 2280px;\" cellspacing=\"0\" cellpadding=\"5\">\n<tbody>\n<tr style=\"background-color: #89cff0; color: black;\">\n<td style=\"width: 99.641%; text-align: center; height: 24px;\" colspan=\"5\"><strong>Periodic Table of Elements<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">1: H-<\/p>\n<p>Hydrogen<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">2: He-<\/p>\n<p>Helium<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">3: Li-<\/p>\n<p>Lithium<\/td>\n<td style=\"width: 21.544%; height: 96px;\">4: Be-<\/p>\n<p>Beryllium<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">5: B-<\/p>\n<p>Boron<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">6: C-<\/p>\n<p>Carbon<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">7: N-<\/p>\n<p>Nitrogen<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">8: O-<\/p>\n<p>Oxygen<\/td>\n<td style=\"width: 21.544%; height: 96px;\">9:F-<\/p>\n<p>Fluorine<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">10: Ne-<\/p>\n<p>Neon<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">11: Na-<\/p>\n<p>Sodium<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">12: Mg- Magnesium<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">13: Al- Aluminum<\/td>\n<td style=\"width: 21.544%; height: 96px;\">14: Si-<\/p>\n<p>Silicon<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">15: P- Phosphorus<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">16: S-<\/p>\n<p>Sulfur<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">17. Cl-<\/p>\n<p>Chlorine<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">18: Ar-<\/p>\n<p>Argon<\/td>\n<td style=\"width: 21.544%; height: 96px;\">19: K- Potassium<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">20: Ca-<\/p>\n<p>Calcium<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">21: Sc- Scandium<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">22: Ti-<\/p>\n<p>Titanium<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">23: V-<\/p>\n<p>Vanadium<\/td>\n<td style=\"width: 21.544%; height: 96px;\">24: Cr-Chromium<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">25: Mn- Manganese<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">26:Fe-<\/p>\n<p>Iron<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">27:Co-<\/p>\n<p>Cobalt<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">28: Ni-<\/p>\n<p>Nickel<\/td>\n<td style=\"width: 21.544%; height: 96px;\">29: Cu-<\/p>\n<p>Copper<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">30: Zn-<\/p>\n<p>Zinc<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">31: Ga-<\/p>\n<p>Gallium<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">32: Ge- Germanium<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">33: As-<\/p>\n<p>Arsenic<\/td>\n<td style=\"width: 21.544%; height: 96px;\">34: Se- Selenium<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">35: Br-<\/p>\n<p>Bromine<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">36: Kr-<\/p>\n<p>Krypton<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">37: Rb- Rubidium<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">38: Sr- Strontium<\/td>\n<td style=\"width: 21.544%; height: 96px;\">39: Y-<\/p>\n<p>Yttrium<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">40: Zr_Zirconium<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">41: Nb-<\/p>\n<p>Niobium<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">42: Mo- Molybdenum<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">43: Tc- Technetium<\/td>\n<td style=\"width: 21.544%; height: 96px;\">44: Ru- Ruthenium<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">45: Rh- Rhodium<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">46: Pd-<\/p>\n<p>Palladium<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">47: Ag-<\/p>\n<p>Silver<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">48: Cd-<\/p>\n<p>Cadmium<\/td>\n<td style=\"width: 21.544%; height: 96px;\">49: In-<\/p>\n<p>Indium<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">50: Sn-<\/p>\n<p>Tin<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">51: Sb- Antimony<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">52: Te-<\/p>\n<p>Tellurium<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">53: I-<\/p>\n<p>Iodine<\/td>\n<td style=\"width: 21.544%; height: 96px;\">54: Xe-<\/p>\n<p>Xenon<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">55: Cs-<\/p>\n<p>Cesium<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">56: Ba-<\/p>\n<p>Barium<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">57: La- Lanthanum<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">58: Ce-<\/p>\n<p>Cerium<\/td>\n<td style=\"width: 21.544%; height: 96px;\">59: Pr-<\/p>\n<p>Praseodymium<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">60: Nd- Neodymium<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">61: Pm- Promethium<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">62: Sm-<\/p>\n<p>Samarium<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">63: Eu- Europium<\/td>\n<td style=\"width: 21.544%; height: 96px;\">64: Gd- Gadolinium<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">65: Tb-<\/p>\n<p>Terbium<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">66: Dy- Dysprosium<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">67: Ho-<\/p>\n<p>Holmium<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">68: Er-<\/p>\n<p>Erbium<\/td>\n<td style=\"width: 21.544%; height: 96px;\">69: Tm<\/p>\n<p>Thulium<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">70: Yb- Ytterbium<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">71: Lu-<\/p>\n<p>Lutetium<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">72: Hf-<\/p>\n<p>Hafnium<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">73: Ta-<\/p>\n<p>Tantalum<\/td>\n<td style=\"width: 21.544%; height: 96px;\">74: W-<\/p>\n<p>Tungsten<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">75: Re- Rhenium<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">76: Os-<\/p>\n<p>Osmium<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">77: Ir-<\/p>\n<p>Iridium<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">78: Pt-<\/p>\n<p>Platinum<\/td>\n<td style=\"width: 21.544%; height: 96px;\">79: Au-<\/p>\n<p>Gold<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">80; Hg-<\/p>\n<p>Mercury<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">81: Tl-<\/p>\n<p>Thallium<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">82: Pb-<\/p>\n<p>Lead<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">83:Bi-<\/p>\n<p>Bismuth<\/td>\n<td style=\"width: 21.544%; height: 96px;\">84: Po- Polonium<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">85: At-<\/p>\n<p>Astatine<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">86: Rn-<\/p>\n<p>Radon<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">87: Fr-<\/p>\n<p>Francium<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">88: Ra-<\/p>\n<p>Radium<\/td>\n<td style=\"width: 21.544%; height: 96px;\">89: Ac-<\/p>\n<p>Actinium<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">90: Th-<\/p>\n<p>Thorium<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">91: Pa- Protactinium<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">92: U-<\/p>\n<p>Uranium<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">93: Np- Neptunium<\/td>\n<td style=\"width: 21.544%; height: 96px;\">94: Pu- Plutonium<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">95: Am- Americium<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">96: Cm-<\/p>\n<p>Curium<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">97: Bk-<\/p>\n<p>Berkelium<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">98: Cf- Californium<\/td>\n<td style=\"width: 21.544%; height: 96px;\">99: Es-<\/p>\n<p>Einsteinium<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">100: Fm- Fermium<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">101: Md- Mendelevium<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">102: No- Nobelium<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">103: Lr-<\/p>\n<p>Lawrencium<\/td>\n<td style=\"width: 21.544%; height: 96px;\">104: Rf- Rutherfordium<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">105: Db-<\/p>\n<p>Dubnium<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">106: Sg-<\/p>\n<p>Seaborgium<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">107: Bh- Bohrium<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">108: Hs-Hassium<\/td>\n<td style=\"width: 21.544%; height: 96px;\">109: Mt- Meitnerium<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">110: Ds Darmstadtium<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 19.7487%; height: 96px;\">111: Rg- Roentgenium<\/td>\n<td style=\"width: 19.0305%; height: 96px;\">112: Cn-<\/p>\n<p>Copernicium<\/td>\n<td style=\"width: 18.3124%; height: 96px;\">113: Nh- Nihonium<\/td>\n<td style=\"width: 21.544%; height: 96px;\">114: Fl-Flerovium<\/td>\n<td style=\"width: 21.0054%; height: 96px;\">115: Mc- Moscovium<\/td>\n<\/tr>\n<tr style=\"height: 48px;\">\n<td style=\"width: 19.7487%; height: 48px;\">116: Lv- Livermorium<\/td>\n<td style=\"width: 19.0305%; height: 48px;\">117: Ts- Tennessine<\/td>\n<td style=\"width: 18.3124%; height: 48px;\">118: Og- Oganesson<\/td>\n<td style=\"width: 21.544%; height: 48px;\"><\/td>\n<td style=\"width: 21.0054%; height: 48px;\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"First_30_Elements_of_the_Periodic_Table_with_Chemical_Symbols_and_Atomic_Mass\"><\/span>First 30 Elements of the Periodic Table with Chemical Symbols and Atomic Mass<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><b>ATOMIC NUMBER: <\/b>An atom&#8217;s atomic number equals the number of protons in its nucleus or the number of electrons in an electrically neutral atom.<\/li>\n<li><b><a href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/atomic-mass-of-elements\/\">ATOMIC MASS<\/a>: <\/b>The mass of an atom is called its atomic mass. It shows how many times a bit of an element is heavier than one-twelfth (1\/12th) the mass of one carbon atom. It is measured in amu (atomic mass unit).<\/li>\n<\/ul>\n<p>The <strong>first 30 elements of the periodic table with chemical symbols<\/strong> and atomic mass are given below in the following table:<\/p>\n<div class=\"table-responsive\">\n<table class=\"table table-bordered table-striped\" style=\"width: 53.85%; height: 1395px;\" cellspacing=\"0\" cellpadding=\"5\">\n<tbody>\n<tr style=\"background-color: #89cff0; color: black;\">\n<td style=\"text-align: center;\"><strong>ELEMENT<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>ATOMIC NUMBER<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>MASS NUMBER<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Hydrogen (H)<\/strong><\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<\/tr>\n<tr>\n<td><strong>Helium(He)<\/strong><\/td>\n<td style=\"text-align: center;\">2<\/td>\n<td style=\"text-align: center;\">4<\/td>\n<\/tr>\n<tr>\n<td><strong>Lithium(Li)<\/strong><\/td>\n<td style=\"text-align: center;\">3<\/td>\n<td style=\"text-align: center;\">7<\/td>\n<\/tr>\n<tr>\n<td><strong>Beryllium(Be)<\/strong><\/td>\n<td style=\"text-align: center;\">4<\/td>\n<td style=\"text-align: center;\">9<\/td>\n<\/tr>\n<tr>\n<td><strong>Boron(B)<\/strong><\/td>\n<td style=\"text-align: center;\">5<\/td>\n<td style=\"text-align: center;\">11<\/td>\n<\/tr>\n<tr>\n<td><strong>Carbon(C)<\/strong><\/td>\n<td style=\"text-align: center;\">6<\/td>\n<td style=\"text-align: center;\">12<\/td>\n<\/tr>\n<tr>\n<td><strong>Nitrogen(N)<\/strong><\/td>\n<td style=\"text-align: center;\">7<\/td>\n<td style=\"text-align: center;\">14<\/td>\n<\/tr>\n<tr>\n<td><strong>Oxygen(O)<\/strong><\/td>\n<td style=\"text-align: center;\">8<\/td>\n<td style=\"text-align: center;\">16<\/td>\n<\/tr>\n<tr>\n<td><strong>Fluorine(F)<\/strong><\/td>\n<td style=\"text-align: center;\">9<\/td>\n<td style=\"text-align: center;\">19<\/td>\n<\/tr>\n<tr>\n<td><strong>Neon(Ne)<\/strong><\/td>\n<td style=\"text-align: center;\">10<\/td>\n<td style=\"text-align: center;\">20<\/td>\n<\/tr>\n<tr>\n<td><strong>Sodium(Na)<\/strong><\/td>\n<td style=\"text-align: center;\">11<\/td>\n<td style=\"text-align: center;\">23<\/td>\n<\/tr>\n<tr>\n<td><strong>Magnesium(Mg)<\/strong><\/td>\n<td style=\"text-align: center;\">12<\/td>\n<td style=\"text-align: center;\">24<\/td>\n<\/tr>\n<tr>\n<td><strong>Aluminum(Al)<\/strong><\/td>\n<td style=\"text-align: center;\">13<\/td>\n<td style=\"text-align: center;\">27<\/td>\n<\/tr>\n<tr>\n<td><strong>Silicon(Si)<\/strong><\/td>\n<td style=\"text-align: center;\">14<\/td>\n<td style=\"text-align: center;\">28<\/td>\n<\/tr>\n<tr>\n<td><strong>Phosphorous(P)<\/strong><\/td>\n<td style=\"text-align: center;\">15<\/td>\n<td style=\"text-align: center;\">31<\/td>\n<\/tr>\n<tr>\n<td><strong>Sulfur(S)<\/strong><\/td>\n<td style=\"text-align: center;\">16<\/td>\n<td style=\"text-align: center;\">32<\/td>\n<\/tr>\n<tr>\n<td><strong>Chlorine(Cl)<\/strong><\/td>\n<td style=\"text-align: center;\">17<\/td>\n<td style=\"text-align: center;\">35.5<\/td>\n<\/tr>\n<tr>\n<td><strong>Argon(Ar)<\/strong><\/td>\n<td style=\"text-align: center;\">18<\/td>\n<td style=\"text-align: center;\">40<\/td>\n<\/tr>\n<tr>\n<td><strong>Potassium(K)<\/strong><\/td>\n<td style=\"text-align: center;\">19<\/td>\n<td style=\"text-align: center;\">39<\/td>\n<\/tr>\n<tr>\n<td><strong>Calcium(Ca)<\/strong><\/td>\n<td style=\"text-align: center;\">20<\/td>\n<td style=\"text-align: center;\">40<\/td>\n<\/tr>\n<tr>\n<td><strong>Scandium (Sc)<\/strong><\/td>\n<td style=\"text-align: center;\">21<\/td>\n<td style=\"text-align: center;\">44.956<\/td>\n<\/tr>\n<tr>\n<td><strong>Titanium (Ti)<\/strong><\/td>\n<td style=\"text-align: center;\">22<\/td>\n<td style=\"text-align: center;\">47.867<\/td>\n<\/tr>\n<tr>\n<td><strong>Vanadium (V)<\/strong><\/td>\n<td style=\"text-align: center;\">23<\/td>\n<td style=\"text-align: center;\">50.942<\/td>\n<\/tr>\n<tr>\n<td><strong>Chromium (Cr)<\/strong><\/td>\n<td style=\"text-align: center;\">24<\/td>\n<td style=\"text-align: center;\">51.996<\/td>\n<\/tr>\n<tr>\n<td><strong>Manganese (Mg)<\/strong><\/td>\n<td style=\"text-align: center;\">25<\/td>\n<td style=\"text-align: center;\">54.938<\/td>\n<\/tr>\n<tr>\n<td><strong>Iron (Fe)<\/strong><\/td>\n<td style=\"text-align: center;\">26<\/td>\n<td style=\"text-align: center;\">55.845<\/td>\n<\/tr>\n<tr>\n<td><strong>Cobalt (Co)<\/strong><\/td>\n<td style=\"text-align: center;\">27<\/td>\n<td style=\"text-align: center;\">58.933<\/td>\n<\/tr>\n<tr>\n<td><strong>Nickel (Ni)<\/strong><\/td>\n<td style=\"text-align: center;\">28<\/td>\n<td style=\"text-align: center;\">58.693<\/td>\n<\/tr>\n<tr>\n<td><strong>Copper (Cu)<\/strong><\/td>\n<td style=\"text-align: center;\">29<\/td>\n<td style=\"text-align: center;\">63.546<\/td>\n<\/tr>\n<tr>\n<td><strong>Zinc (Zn)<\/strong><\/td>\n<td style=\"text-align: center;\">30<\/td>\n<td style=\"text-align: center;\">65.38<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_are_the_Types_of_Elements_in_the_Periodic_Table_of_Chemistry\"><\/span>What are the Types of Elements in the Periodic Table of Chemistry?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Elements are divided into four types;<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/articles\/metal\/\"><i>Metals<\/i><\/a>:<\/strong> Metals are complex solid elements that are ductile, malleable, and good heat and electrical conductors. (Silver-<i>Ag<\/i>, Iron-<i>Fe<\/i>)<\/li>\n<li><strong><i>Nonmetals<\/i>:<\/strong> Nonmetals are drab and can exist as solids, liquids, or gases. (Oxygen-<i>O<\/i>, Carbon-<i>C<\/i>)<\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/metalloids\/\"><i>Metalloids<\/i><\/a>:<\/strong> Metalloids are elements with characteristics that fall somewhere between metals and nonmetals. (Silicon-<i>Si<\/i>, Germanium-<i>Ge<\/i>)<\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/what-are-noble-gases\/\"><i>Noble gasses<\/i><\/a>:<\/strong> Noble gasses, often known as inert gasses, are a distinct class of elements that do not react with other ingredients. (Helium-<i>He<\/i>, Neon-<i>Ne<\/i>)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><a href=\"https:\/\/infinitylearn.com\/surge\/topics\/modern-periodic-table\/\"> <button class=\"btn btn-primary\" style=\"width: 100%; cursor: pointer;\" type=\"button\">Modern Periodic Table<\/button><\/a><\/p>\n<div class=\"card\" style=\"text-align: center;\"><a class=\"btn btn-primary\" href=\"https:\/\/infinitylearn.com\/online-mock-tests?utm_source=surge&amp;utm_medium=interlinking\"><br \/>\n<img loading=\"lazy\" class=\" lazyloaded\" style=\"width: 100%; border-radius: 10px;\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/09\/cvc.png\" alt=\"online mock test\" width=\"1201\" height=\"636\" data-src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/09\/cvc.png\" \/><\/a><a class=\"btn btn-primary\" href=\"https:\/\/infinitylearn.com\/online-mock-tests?utm_source=surge&amp;utm_medium=interlinking\"><button><strong>Online Mock Test<\/strong><\/button><\/a><\/p>\n<div style=\"text-align: center;\">Boost Your Preparation With Our Free Online Mock Tests For IIT-JEE, NEET And CBSE Exams<\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"FAQs_on_Periodic_Table_of_Elements\"><\/span>FAQs on Periodic Table of Elements<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"WHAT_ARE_ELEMENTS_IN_THE_PERIODIC_TABLE_OF_CHEMISTRY\"><\/span>WHAT ARE ELEMENTS IN THE PERIODIC TABLE OF CHEMISTRY?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tAn element is a substance whose atoms all have the same number of protons: all traces of a given element have the same number of protons. Elements are the most basic chemical forms and cannot be broken down chemically.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"WHAT_ARE_THE_FIRST_20_ELEMENTS_OF_THE_PERIODIC_TABLE_OF_CHEMISTRY\"><\/span>WHAT ARE THE FIRST 20 ELEMENTS OF THE PERIODIC TABLE OF CHEMISTRY?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tThe first 20 elements are Hydrogen, Helium, Lithium, Beryllium, Boron, Carbon, Nitrogen, Oxygen, Fluorine, Neon, Sodium, Magnesium, Aluminium, Silicon, Phosphorus, Sulphur, Chlorine, Argon, Potassium, and Calcium\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"WHAT_DOES_THE_MODERN_PERIODIC_TABLE_MEAN\"><\/span>WHAT DOES THE MODERN PERIODIC TABLE MEAN? <span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tThe modern periodic table is based on contemporary periodic law. The table is an arrangement of elements in increasing atomic number order. In its current form, the periodic table is known as the modern periodic table. It has 18 vertical columns and 7 horizontal rows.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"How_many_metals_and_non-metals_are_there_in_118_elements\"><\/span>How many metals and non-metals are there in 118 elements?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tThe current periodic table contains 118 different elements. Out of these, 18 are non-metals, 7 are metalloids, and 93 are various kinds of metals.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_are_the_4_blocks_on_the_periodic_table\"><\/span>What are the 4 blocks on the periodic table?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tThe elements in the periodic table are organized into groups based on the way their outermost electrons move. There are four groups called s-block, p-block, d-block, and f-block.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Who_found_the_first_element_of_Periodic_table\"><\/span>Who found the first element of Periodic table?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tIn 1669, a chemist named Hennig Brandt made the first chemical discovery of an element called phosphorus.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"How_many_elements_are_there_in_periodic_table\"><\/span>How many elements are there in periodic table?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tThere are 118 different elements on the Periodic Table. According to the periodic law, the characteristics of these elements change in a regular pattern as you move from one element to another, based on their atomic numbers.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_is_a_group_in_a_periodic_table\"><\/span>What is a group in a periodic table?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\t A group in the periodic table is like a vertical row of elements. Elements in the same group have similar features in the outermost part of their atoms, either in how they look or how they react with other substances.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\n<script type=\"application\/ld+json\">\n\t{\n\t\t\"@context\": \"https:\/\/schema.org\",\n\t\t\"@type\": \"FAQPage\",\n\t\t\"mainEntity\": [\n\t\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"WHAT ARE ELEMENTS IN THE PERIODIC TABLE OF CHEMISTRY?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"An element is a substance whose atoms all have the same number of protons: all traces of a given element have the same number of protons. Elements are the most basic chemical forms and cannot be broken down chemically.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"WHAT ARE THE FIRST 20 ELEMENTS OF THE PERIODIC TABLE OF CHEMISTRY?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"The first 20 elements are Hydrogen, Helium, Lithium, Beryllium, Boron, Carbon, Nitrogen, Oxygen, Fluorine, Neon, Sodium, Magnesium, Aluminium, Silicon, Phosphorus, Sulphur, Chlorine, Argon, Potassium, and Calcium\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"WHAT DOES THE MODERN PERIODIC TABLE MEAN? \",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"The modern periodic table is based on contemporary periodic law. The table is an arrangement of elements in increasing atomic number order. In its current form, the periodic table is known as the modern periodic table. It has 18 vertical columns and 7 horizontal rows.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"How many metals and non-metals are there in 118 elements?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"The current periodic table contains 118 different elements. Out of these, 18 are non-metals, 7 are metalloids, and 93 are various kinds of metals.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What are the 4 blocks on the periodic table?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"The elements in the periodic table are organized into groups based on the way their outermost electrons move. There are four groups called s-block, p-block, d-block, and f-block.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Who found the first element of Periodic table?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"In 1669, a chemist named Hennig Brandt made the first chemical discovery of an element called phosphorus.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"How many elements are there in periodic table?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"There are 118 different elements on the Periodic Table. According to the periodic law, the characteristics of these elements change in a regular pattern as you move from one element to another, based on their atomic numbers.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What is a group in a periodic table?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"A group in the periodic table is like a vertical row of elements. Elements in the same group have similar features in the outermost part of their atoms, either in how they look or how they react with other substances.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t\t\t\t]\n\t}\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>The periodic table of chemical elements is generally known as the periodic table. It is a chart in which all [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"Periodic Table of Elements","_yoast_wpseo_title":"Periodic Table of Elements: Name, Symbols, Atomic Number & Atomic Mass","_yoast_wpseo_metadesc":"Explore the Periodic Table of Elements to understand chemical properties, atomic numbers, and element symbols. 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