MCQ
The energy levels for $_z{A^{( + Z - 1)}}$ can be given by
- ✓${E_n}\,for\,{A^{( + Z - 1)}} = {Z^2} \times {{\text{E}}_n}{\text{ for H}}$
- B${E_n}\,for\,{A^{( + Z - 1)}} = {Z} \times {{\text{E}}_n}{\text{ for H}}$
- C${E_n}\,for\,{A^{( + Z - 1)}} = \frac{1}{{{Z^2}}} \times {{\text{E}}_n}{\text{ for H}}$
- D${E_n}\,for\,{A^{( + Z - 1)}} = \frac{1}{{{Z}}} \times {{\text{E}}_n}{\text{ for H}}$
