Why does the nsns orbital go before the (n-1)d(n−1)d orbital when writing transition metal electron configurations?
1 Answer
It doesn't. The
See how the
Data from Appendix B.9 of Inorganic Chemistry by Miessler, Fischer, and Tarr
And you can further see how the Aufbau principle fails for the heavier transition metals, in that the
Data from Appendix B.9 of Inorganic Chemistry by Miessler, Fischer, and Tarr
Data from Appendix B.9 of Inorganic Chemistry by Miessler, Fischer, and Tarr