Question

7. Write the chemical name of the following compound.

(i) $\mathrm{ZnS}$

Answer 1

• The chemical name of positive radical ${\mathrm{Zn}}^{2+}$ is zinc and of negative radical ${\mathrm{S}}^{2-}$ is sulphide.
• The name of the positive radical or metal ion is written first followed by the negative radical while writing the name of the compound.
• The chemical name of $\mathrm{ZnS}$ is Zinc sulphide.