[填空题]
Cobalt is an important cofactor that often aeaq7d 65*br6 e sp wll)8dbyx,a a6(einhibits enzymeo+yx l(c4jyh olqs +2/ activity involved in cx+qlsy(y +2h j4c/o loellular respiration, such as catalase.
1.Using the complete electron configuration, determine the electron configuration of Co$^{2+}$. $s^2$ $s^2$ $p^6$ $s^2$ $p^6$ $d^7$
2.Draw the orbital diagram of the 3d electrons of Co.
