What species has the electron configuration [Ar]3d4?
A) Mn2+
B) Cr2+
C) V3+
D) Fe3+
E) K+
Correct Answer:
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Q42: What species has the electron configuration [Ar]3d2?
A)Mn2+
B)Cr2+
C)V3+
D)Fe3+
E)K+
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Q52: What is the electron configuration for the
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