Values of IE1, IE2, IE3 of an element are 9.3, 18.2 and 553.8eV. Predict group number in Modern Periodic Table.

Question

Values of

{IE}_{1}, {IE}_{2}, {IE}_{3}

of an element are

9.3, 18.2

and

553.8 eV .

Predict group number in Modern Periodic Table.

Correct Answer

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