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When an atom becomes a positive ion, the radius of the atom (1) decreases (2) increases (3) remains the same
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When an atom becomes a positive ion, the radius of the atom

(1) decreases
(2) increases
(3) remains the same

User Mukund Gandlur
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1 Answer

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(1) decreases is your answer. First of all, when an atom becomes a positive ion, it would get rid of its valence shell, and second of all, the effective nuclear charge increases, pulling in the shells closer to it.
User VirxEC
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