Chapter 5, Problem 22P

Identify the atom or ion corresponding to each of the following descriptions:

(a) an atom with ground-state electron configuration $\left[\text{Xe}\right]\text{4}{f}^{\text{14}}\text{5}{d}^{\text{6}}\text{6}{s}^{\text{2}}$

(b) an ion with charge $-1$ and ground-state electron configuration $\left[\text{He}\right]\text{2}{s}^{\text{2}}\text{2}{p}^{\text{6}}$

(c) an ion with charge $+5$ and ground-state electron configuration $\left[\text{Kr}\right]\text{4}{d}^{\text{6}}$