J.R. S. answered 09/30/20
Ph.D. University Professor with 10+ years Tutoring Experience
Germanium, atomic number 32 is a p block element and is in period 4, group 14.
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p2
Cl-1 ion. Cl has 17 electrons and so Cl1- will have 18 electrons and will be isoelectronic with Ar.
1s2 2s2 2p6 3s2 3p6