Question SLPaper 1AAnswerWhat is the condensed electron configuration of the Fe2+Fe^{2+}Fe2+ ion?A[Ar]3d6[Ar] 3d^6[Ar]3d6B[Ar]3d44s2[Ar] 3d^4 4s^2[Ar]3d44s2C[Ar]3d54s1[Ar] 3d^5 4s^1[Ar]3d54s1D[Ar]3d64s2[Ar] 3d^6 4s^2[Ar]3d64s2