The first four ionization energies for a particular element are , ,

CHEMISTRY · Single correct · A Level · Chemistry · Periodicity and periodic trends · Periodicity and periodic trends

Problem

The first four ionization energies for a particular element are

738

1450

7730

, and

10550\text{ kJ mol}^{-1}

, respectively. Deduce the group number of the element. (1) 1 (2) 2 (3) 3 (4) 4