MCQ
The atomic number of silicon is $14$. Its ground state electron configuration is
- A$1 s^{2} 2 s^{2} 2 p^{6} 3 s^{1} 3 p^{3}$
- B$1 s^{2} 2 s^{2} 2 p^{2} 2 p^{8} 3 s^{2}$
- ✓$1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{2}$
- D$1 s^{2} 2 s^{2} 2 p^{2} 2 s^{4}$
