Ionization energy increases across the period in the periodic table because

Assessment: WAEC SSCE - Chemistry - 2022 (Objective) Subject: Chemistry

Question 1 Report

Ionization energy increases across the period in the periodic table because
Answer Details
As the nuclear charge increases, its attraction for the outermost electron increases and so more energy is required to remove the outermost electron. Hence, the ionization energy increases.

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