[填空题]
Cobalt is an important cofactor that often inhibitgyg0 xk0meug3c zxv./4wc h-(s enzyme activity involved in gzcw e x(4gv.guk3-/my0x ch0; 9 pln08l fhzipnxn-+cellular respiration, such as cp9i ll-nzxf+hn;n 80patalase.
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.
