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which of the following ground-state electron configurations represents the atom that has the lowest first-ionization energy?
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which of the following ground-state electron configurations represents the atom that has the lowest first-ionization energy?

User Guru Stron
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13 votes
13 votes

Answer: 1s^22s^22p^63s^1

Explanation: farthest away; the father away from the nucleus, the less force of attraction and therefore less ionization energy needed to remove the last electron

User Timdisney
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