State the difference between cations and anions.

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Solution

Cations are ions with a net positive charge, meaning they have more protons than electrons. Formed by loss of electrons. Example: $A g^{+}, N a^{+}$ .

Anions are ions with a net negative charge, which means they have more electrons than protons. Formed by gain of electrons. Example: $C l^{-}, O^{2 -}$ .

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