\(21-\left[Ar\right]4s^23d^1-3d-3d-4s\\22-\left[Ar\right]4s^23d^2-3d-3d-4s\\ 23-\left[Ar\right]4s^23d^3-3d-3d-4s\\ 24-\left[Ar\right]4s^13d^5-3d-3d-4s\\ 25-\left[Ar\right]4s^23d^5-3d-3d-4s\)
\(31-\left[Ar\right]4s^23d^{10}4p^1-4p-4p-4p\\ 32-\left[Ar\right]4s^23d^{10}4p^2-4p-4p-4p\\ 33-\left[Ar\right]4s^23d^{10}4p^3-4p-4p-4p\\ 34-\left[Ar\right]4s^23d^{10}4p^4-4p-4p-4p\\ 35-\left[Ar\right]4s^23d^{10}4p^5-4p-4p-4p\)
\(26-\left[Ar\right]4s^23d^6-3d-3d-4s\\ 27-\left[Ar\right]4s^23d^7-3d-3d-4s\\ 28-\left[Ar\right]4s^23d^8-3d-3d-4s\\ 29-\left[Ar\right]4s^13d^{10}-3d-3d-4s\\ 30-\left[Ar\right]4s^23d^{10}-3d-3d-4s\)
