Electron configuration for ru2+

Ru2+ = 1s(2) 2s(2) 2p(6) 3s(2) 3p(6) 4s(2) 3d(10) 4p(6) 5s(2) 4d(4) =[Ar]3d(10)4s(2)4p(6)4d(4)5s(2) As you have to put…