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Which of the Following Ions Does Not Match the Electronic

Question 124

Multiple Choice

Which of the following ions does not match the electronic configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶?

A) Br^1-
B) Sr²⁺
C) As^3-
D) Se²⁺

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