1. Which of the following elements has incorrect information?
A. Cs+ 55 protons, 54 electrons, loses 1 electron
B. Cr2β 24 protons, 26 electrons, loses 2 electrons
C. Cu2+ 29 protons, 27 electrons, loses 2 electrons
D. Clβ 17 protons, 18 electrons, gains 1 electron
Answers: 3
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1. Which of the following elements has incorrect information?
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