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JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES
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What effect is observed, on the size of an atom when an electron is removed and in another case when an electron is added to the same atom?
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Correct option: B
Size decreases and increases respectively
Option B (Size decreases and increases respectively) is correct because removing an electron increases the effective nuclear charge, decreasing size, while adding an electron increases electron-electron repulsion, increasing size.
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