What is the electron configuration of Fe2+?
a) [Ar]3d44s2
b) [Ar]3d54s1
c) [Ar]3d6
d) [Ar]3d64s2
e) [Ar]3d64s1
Answer: c) [Ar]3d6
What is the electron configuration of Fe2+?
a) [Ar]3d44s2
b) [Ar]3d54s1
c) [Ar]3d6
d) [Ar]3d64s2
e) [Ar]3d64s1
Answer: c) [Ar]3d6