Study MaterialsNCERT SolutionsNCERT Solutions for Class 11 ChemistryNCERT Solutions for class 11 Chemistry chapter 10 s block elements 10.7 general characteristics of compounds of the alkaline earth metals

NCERT Solutions for class 11 Chemistry chapter 10 s block elements 10.7 general characteristics of compounds of the alkaline earth metals

Overview of Topic- General Characteristics of the Compounds of the Alkali Metals

There are several elements in our environment with various properties and purposes dependent on those properties. Properties are vital when using these elements, hence there should be a table to organize them. This table is referred to as a periodic table, and it was constructed by combining the work of several scientists. Alkali metals are the first category of elements. Lithium, sodium, potassium, rubidium, Caesium, and Francium are all members of this group. Apart from lithium, all other elements have chemical and physical properties that are identical.

Alkali Metal Characteristics

  1. Atomic Radii: As the atomic number grows, the atomic radii of alkali metals increase down the group, resulting in the addition of additional energy shells. Moving from beryllium to radium, the size of atoms rises due to the inclusion of energy shells.

Be< Mg< Ca< Sr< Ba< Ra

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    1. Boiling Point: The boiling point of alkali metals is lower than that of alkaline earth metals, and it falls as the group progresses; it follows a trend that runs counter to atomic size, as electrons in smaller atoms are more difficult to excite by heat energy than electrons in bigger atoms.

    Be> Mg> Ca> Sr> Ba> Ra

    1. Standard Potential: The standard potential of alkaline earth metals follows the same trend as atomic size, which implies that as the atomic size grows, the negative standard potential of ions decreases.

    Be> Mg> Ca> Sr> Ba> Ra

    Alkali Metal Physical Properties

    • Heat energy can easily ionize alkali metals.
    • These metals have a glossy appearance.
    • Because these elements are flexible, they can be pounded into thin sheets.
    • Alkali metals have a very high heat conductivity.
    • Because these parts are delicate, they can be readily sliced.
    • Because of their low density, alkali metals float on water.
    • These elements have a proclivity for exhibiting exothermic reactions.

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    FAQs (Frequently Asked Questions)

    1. Can I score full marks in Class 11 Chemistry Chapter 10 Topic- General Characteristics of the Compounds of the Alkali Metals?

    Yes, you can easily score full marks in Class 11 Chemistry. All you need to do to score full marks in Maths is a frequent practice. All of the concepts should be clear in this subject since many questions are expected in the board examination from this chapter. This will help you make your confidence up and well versed with the chapter and can score full marks in the exam. You should also refer to the NCERT Solutions of this chapter.

    2. What are the benefits of solving NCERT solutions by Infinite Learn?

    NCERT solutions by Infinite Learn are designed strictly according to the latest CBSE syllabus and it is the best way to study this chapter containing all the important points and formulas. The subject matter experts designed these NCERT solutions with the aim to make the learning process the most convenient way.

    3. How can I download the NCERT Solutions of this exercise from the Infinite Learn website?

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