Question

What do you understand by given terms? Give at least 4 examples

Ion

Answer 1

• An ion is an atom or group of atoms where the number of electrons is not equal to the number of protons.
• That means when a stable atom gains or loses an electron, it becomes an ion.
• Examples of ions are as follows: ${\mathrm{H}}^{+},{\mathrm{Na}}^{+},{\mathrm{Ca}}^{2+},{\mathrm{F}}^{-},{\mathrm{O}}^{2-}$.