Question

Give the meaning of following:

${\mathrm{Br}}^{-}$

Answer 1

Radical:

• Most of the inorganic compounds are made up of two oppositely charged parts called radicals.
• A radical is defined as an atom or a group of atoms that carries a positive or negative charge and behaves as a single unit in a chemical reaction.
• For example, ${\mathrm{Na}}^{+},{\mathrm{Cl}}^{-},{\mathrm{S}}^{2-},\mathrm{etc}.$

${\mathrm{Br}}^{-}$is an anion or acid radical.

Acid radical:

• The negatively charged part is called anion or acid radical or electronegative radical.