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Chemistry, 07.02.2021 22:00 nathang444
18) Which two ions have the same electron configuration in the ground state?
A) Rb+ and Cs+
B) Ba2+ and I-
C) Se2+ and I-
D) Fe2+ and Fe3+
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Answers: 2
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18) Which two ions have the same electron configuration in the ground state?
A) Rb+ and Cs+
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