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Whelan Whelan
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Posts: 3158
9 years ago
Which two ions have the same electron configuration in the ground state?
A) Cs+ and Li+
B) Ca2+ and Cl-
C) Se2+ and Cl-
D) Fe2+ and Fe3+
Textbook 
Introductory Chemistry Essentials

Introductory Chemistry Essentials


Edition: 5th
Author:
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hbutler2hbutler2
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Posts: 3075
8 years ago
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Whelan Author
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9 years ago
Thank you, thank you, thank you!
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Thanks for your help!!
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This site is awesome
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