Question

The atomic number of silicon is $14$. Its ground state electron configuration is

• A. $1s^2 \,2s^2\, 2p^2 \,2s^4$
• B. $1s^2\, 2s^2 \,2p^6 \,3s^1 \,3p^3$
• C. $1s^2\, 2s^2 \,2P^2\, 2P^8\, 3s^2$
• D. $1s^2 \,2s^2\, 2p^6\, 3s^2\, 3p^2$

Answer 1

Answer: (D)

Correct answer is (d) $1s^2 \,2s^2\, 2p^6\, 3s^2\, 3p^2$