Question

<!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}--> What are radicals? Give two examples.

Answer 1

<!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}--> A radical is an atom or group of atoms that behaves as a single unit and contains a charge on it.​ (1 mark)

Examples: ${\mathrm{Na}}^{+}$, ${{\mathrm{SO}}_4}^{2-}$ (1 mark)