Recent content by Yellowcard95

I am trying to draw electron configurations for multivalent electrons for Pb4+ and Pb2+. The work I have: (Xe)6s24f145d10 (PB2+) (Xe)6s04f145d10 (PB4+) the problem I'm having with multivalent structures is: I have no idea which electrons to remove when there is an ionic charge For...