Question

Name the cation having two units of positive charge.

Answer 1

Definition of Cations:

1. The positively charged ions are known as cations.

Cation having two units of positive charge:

1. Magnesium atom $\mathbf{\left(}\mathbf{Mg}\mathbf{\right)}$ has atomic number $12$. Thus, electronic configuration of magnesium atom is $(2,8,2)$.
2. Magnesium atom loses two electrons from the outermost shell.
3. On losing two electrons, a positively charged magnesium ion $\mathbf{\left(}{\mathbf{Mg}}^{\mathbf{2}\mathbf{+}}\mathbf{\right)}$ having two units of positive charge is formed.

Thus, name of cation having two units of positive charge is magnesium ion $\mathbf{\left(}{\mathbf{Mg}}^{\mathbf{2}\mathbf{+}}\mathbf{\right)}$.