Question

Chlorine,bromine and iodine elements were put in one group on the basis of the similar properties:

a) What are those similar elements ?

b) What is the common name of this group or family?

Answer 1

Explanation:

(a) Fluorine, chlorine and bromine are non-metals with seven valence electrons. They are highly electronegative elements with valency of one. They exist as diatomic molecules. They form ionic compounds with alkali metals.

(b) They are known as halogens. The term means salt forming and therefore compounds containing these elements are called salts.