Chemistry

Problem

The successive ionization energies of an element, Y, are shown in the table.

	1st	2nd	3rd	4th	5th	6th	7th
Ionization energy / $\text{kJ mol}^{-1}$	788	1577	3232	4356	16091	19805	23780

Identify the type of orbital from which the first electron is removed when the first ionization energy is determined. a. s orbital b. p orbital c. d orbital d. f orbital

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