Give the chemical name and molecular formula for two homoatomic molecules found in air.

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Solution

Air is a homogenous mixture of gases containing nitrogen (78%), oxygen (21%), and small traces of other gases like carbon dioxide, argon, neon, hydrogen, etc.
Homoatomic molecules are those which are made up of only one kind of atom example; $H_{2}$ (hydrogen gas).
In the air, oxygen gas exists as $O_{2}$ molecule and nitrogen gas as $N_{2}$ molecule. Bothe homoatomic are clear examples of homoatomic molecules in the air.

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