MCQ
The electronic configuration of Einsteinium is : (Given atomic number of Einsteinium $=99$ )
- A$[\mathrm{Rn}] 5 \mathrm{f}^{12} 6 \mathrm{~d}^0 7 \mathrm{~s}^2$
- ✓$[\mathrm{Rn}] 5 \mathrm{f}^{11} 6 \mathrm{~d}^0 7 \mathrm{~s}^2$
- C$[\mathrm{Rn}] 5 \mathrm{f}^{13} 6 \mathrm{~d}^0 7 \mathrm{~s}^2$
- D$[\mathrm{Rn}] 5 \mathrm{f}^{10} 6 \mathrm{~d}^0 7 \mathrm{~s}^2$