Question

Define the term molecule with reference to elements. Give three examples of each monoatomic ,diatomic and polya tonic molecules.

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Answer 1

A molecule is the smallest particle in a chemical element or compound that has the chemical properties of that element or compound. Molecules are made up of atoms that are held together by chemical bonds. These bonds form as a result of the sharing or exchange of electrons among atoms. The atoms of certain elements readily bond with other atoms to form molecules.

monoatomic:

He, Ne , Kr, Ar

diatomic:

N2, O2 , H2

triamotic:

CO2, H2O

Polyatomic:

H2SO4, CACO3,HNO3