Question: What two first-row transition metals have unexpected electron configurations? A statement in the text says that first-row transition metal ions do not have 4s electrons.

What two first-row transition metals have unexpected electron configurations? A statement in the text says that first-row’ transition metal ions do not have 4s electrons. Why not? Why do transition metal ions often have several oxidation stares, whereas representative metals generally have only one?

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Chromium Ar4s 0 3d 5 and copper Ar4s 1 3d 10 have electron configurations that are different from th... View full answer

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