Question

The elements a b and c belongs to groups 1 14 and 17 respectively of the periodic table (a) which two elements form covantent bomd

Answer 1

Covalent bonds are formed by sharing of electrons

In group 1,

The elements forms either covalent or ionic bonds

In group 14,

The elements only forms covalent bonds as their valency is 4 and they can't gain or loss electrones to become octate or stable.

In group 17,

As the valency is -1 in these elements,the can share or loss electrones