An ion has 18 electrons in the outermost shell, it is | Real Paper AI

An ion has 18 electrons in the outermost shell, it is

Choose Your Option

A. \(\mathrm{Cu}^{+}\)

B. \(\mathrm{Th}^{4+}\)

C. \(\mathrm{Cs}^{+}\)

D. \(\mathrm{K}^{+}\)