The first three ionization energies of element X are 738 kJ mol⁻¹, 1450 kJ mol⁻¹

CHEMISTRY · Subjective · A Level · Chemistry · Periodicity and periodic trends · Periodicity and periodic trends

Problem

The first three ionization energies of element X are 738 kJ mol⁻¹, 1450 kJ mol⁻¹, and 7730 kJ mol⁻¹, respectively. Based on these data, determine the IUPAC group number to which element X belongs.

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