Base in Chemistry – Meaning, Definition, Properties, Types and Examples

What is Base?

Base is a substance that dissolves in water to form ions. These ions can then react with other compounds to form salts. Base in Chemistry – Meaning Definition Properties Types and Examples.

What is the Meaning of the Term Base?

Base is a term used in mathematics that refers to the number that is raised to a power. The base is the number that is multiplied by itself the number of times indicated by the power. For example, the base of the number 9 is 3 because 3 multiplied by itself 2 times equals 9.

Define Base, Chemistry

Base: A base is a substance that can accept a proton (H+) from an acid. This makes the base a Lewis base. A base can also release a proton (H+) to an acid. This makes the base a Brønsted-Lowry base.

Chemistry: Chemistry is the study of the composition, structure, properties, and reactions of matter.

Arrhenius Base

An Arrhenius base is a compound that increases the concentration of hydroxide ions in an aqueous solution. This increase in hydroxide ions can lead to an increase in the pH of the solution. Arrhenius bases are typically strong bases, meaning they completely dissociate in water to form hydroxide ions and the corresponding anion. Arrhenius bases include ammonia, hydroxide ions, and lithium hydroxide.

Bronsted Base

A Bronsted base is a molecule that can donate a proton (H+) to another molecule.

Lewis Base

Lewis Base is a United States Antarctic research base. It is located on the Lewis and Clark Peninsula in the Ross Sea, about 2,500 miles (4,000 km) from the South Pole. It is the southernmost U.S. station in Antarctica.

The base was established in 1957 as a support station for the United States Navy’s Operation Deep Freeze. It is currently operated by the United States Antarctic Program.

The base has a population of about 45 people during the summer and about 15 people during the winter. It has a runway for aircraft, and is the only U.S. station in Antarctica with a harbor.

The base is named after Meriwether Lewis, one of the leaders of the Lewis and Clark expedition.

Properties of Bases

A base is a molecule that can accept a proton from an acid to form a salt.

Bases are typically ionic compounds that dissociate in water to form positively charged hydroxide ions (OH−) and negatively charged ions.

The strength of a base is measured by its ability to dissociate in water and form hydroxide ions. The stronger the base, the more hydroxide ions it will form.

Bases are also capable of neutralizing acids and of forming salts.

Examples of Bases

Water

Aqua

H 2 O

Salt

Sodium chloride

NaCl

Types of Bases

A base is a molecule or ion that can accept hydrogen ions ( protons ) in order to form a water molecule. Bases are also called alkalis.

There are four types of bases:

Inorganic bases: These bases are found in the inorganic world and are made up of metals or metal ions. The most common inorganic base is ammonia, which is made up of the metal ion ammonium (NH 4 +).

Organic bases: These bases are found in the organic world and are made up of carbon and hydrogen. The most common organic base is ethanol, which is made up of the molecule ethanol (CH 3 CH 2 OH).

Aqueous bases: These bases are found in water and are made up of ions. The most common aqueous base is sodium hydroxide, which is made up of the ion sodium (Na+) and the molecule hydroxide (OH-).

Buffers: Buffers are a special type of base that are used to maintain the pH of a solution. Buffers are made up of a mixture of a weak acid and a weak base.

Strong Base

A strong base is a chemical that completely dissociates in water to form ions. These ions are then able to react with acids to neutralize them. A strong base is able to completely neutralize an acid, while a weak base cannot.

Weak Base

A weak base is a chemical that has a low pH. A weak base has a tendency to lose protons (H+) and become a positively charged ion. Common weak bases include ammonia (NH3) and ammonium (NH4+).

What are ions?

Ions are atoms or molecules that have an electric charge. Positive ions are atoms or molecules that have lost one or more electrons, giving them a net positive charge. Negative ions are atoms or molecules that have gained one or more electrons, giving them a net negative charge.

Define Base, Chemistry

The study of the composition, structure, and properties of matter, as well as the changes it undergoes during chemical reactions.

Arrhenius Base

Definition

An Arrhenius base is an ion that behaves as a Brønsted-Lowry base.

Bronsted Base

A Bronsted base is a molecule that can donate a proton (H+) to another molecule. Bases are also known as proton acceptors.

Lewis Base

Lewis Base is a permanently manned Australian Antarctic research station located in the Vestfold Hills, east of the site of the earlier Wilkes Station.

The station was established in 1975 as part of Australia’s increased commitment to the Antarctic program. It is named for Sir Lewis King, who was Chairman of the Australian Antarctic Committee from 1969 to 1974.

The station has a winter population of about 16 people, and a summer population of about 25 people. It is the only Australian Antarctic station located in the interior of the Antarctic continent.

Lewis Base is a modern research station with a wide range of scientific research facilities. These include a laboratory, a darkroom, a greenhouse, a workshop, and a gym. The station also has a helipad and a landing strip for fixed-wing aircraft.

The station is supplied by a seasonal resupply ship which delivers food, fuel, and other supplies. It is also supported by a permanent helicopter detachment which provides transport and other support services.

Types of Bases

There are three types of bases in chemistry: weak, strong, and amphoteric.

Weak bases are substances that dissociate (break apart) into a base and a hydrogen ion (H+) in water. A good example of a weak base is ammonia (NH 3 ).

Strong bases are substances that dissociate completely into a base and hydroxide ions (OH-) in water. A good example of a strong base is sodium hydroxide (NaOH).

Amphoteric bases are substances that can act as either a weak base or a strong base, depending on the pH of the solution. A good example of an amphoteric base is baking soda (sodium bicarbonate, NaHCO 3 ).

The Properties of a Base

• A base is a compound that dissolves in water to produce a hydroxide ion (OH−) and a cation. The cation is typically a metal ion.
• A base is a compound that dissolves in water to produce a hydroxide.

Base in Chemistry – Meaning Definition Properties Types and Examples.