Question

2. Give electron configurations for the Fe3+and S2- ions

Answer 1

electronic configuration of fe=1s2,2s2,2p6,3s2,3p6,4s2,3d6
e.c of fe3+=1s2,2s2, 2p6, 3s2, 3p6, 4s0, 3d5
e.c of S= 1s2,2s2, 2p6, 3s2, 3p4
e.c of s2-=1s2, 2s2, 2p6, 3s2, 3p6