Question

Give two examples each of

(i) Monoatomic molecules

(ii) Diatomic molecules

(iii) Triatomic molecules

(iv) Tetratomic molecules

Answer 1

(i) Monoatomic Molecules: Molecules containing only one atom per molecule are known as monatomic molecules. Examples Na, Mg.

(ii) Diatomic molecules: Molecules containing two atoms per molecule are known as diatomic molecules. Examples O₂, N₂.

(iii) Triatomic molecules: Molecules containing three atoms per molecule are known as triatomic molecules. Examples O₃, H₂O.

(iv) Tetratomic molecules: Molecules containing four atoms per molecule are known as tetratomic molecules. Examples SO_3, NH₃.