Advanced Higher Chemistry Practice Questions - Scottish Advanced Higher Chemistry (C813 77) Exam

Which electron configuration represents a chromium atom (Z = 24) in its ground state?

[Ar] 3d5 4s1 [Ar] 3d4 4s2 [Ar] 3d6 4s0 [Ar] 4s2 4p4

Correct Answer:

[Ar] 3d5 4s1

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