Question

Write symbols for the following radicals: chloride, oxide, sulphide, carbonate, sulphate and nitrate.

Answer 1

Radical:

• The molecule of a compound is made up of two parts. Each part is called a radical.
• Radical either may be positive or negative.
• The symbol of the chloride radical is ( ${\mathrm{Cl}}^{-}$), oxide is ( ${\mathrm{O}}^{2-}$), carbonate is ( ${{\mathrm{CO}}_3}^{-}$), sulphate is ( ${{\mathrm{SO}}_4}^{2-}$) and nitrate is ( ${{\mathrm{NO}}_3}^{-}$).