Home Chemistry Classification of Elements and Periodicity Ionisation Energy The ionization energy of an element is
Chemistry Classification of Elements and Periodicity Ionisation Energy Single Correct MCQ
Published on: August 13, 2026

The ionization energy of an element is

A
The same as the electron affinity of the element
B
Equal in magnitude but of opposite sign to the electron affinity of the element
C
The energy released when an electron is added to an atom of the element
D
The energy required to remove the outermost electron of an atom of the element

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The correct answer is:
D
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