00:01
Answer for the given question.
00:05
We have a given question is write the electronic configuration of first one is cobalt.
00:15
It has atomic number is 27.
00:18
So electronic configuration of cobalt is 1 is 2, 2 s2, 2p6, 3s2, 3p6, 4 s2, 3d7, 2d7, 2 2, 4s2, 3d7, 2, 4 ,000.
00:46
6, 4, 10, 11, 12, 12, 12, 16, 18, 18, 2, 20 and 7...