A-Level H2 Chemistry Practice Questions - Singapore-Cambridge GCE A-Level Higher 2 (H2) Chemistry (Syllabus 9729) Exam

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The successive ionisation energies (in kJ mol-1) of an element X are: 738, 1451, 7733, 10540, 13630. To which group of the Periodic Table does X belong?

Group 1 Group 2 Group 13 Group 14

Correct Answer:

Group 2

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