Which electron configuration corresponds to a neutral boron atom (atomic number 5) in the simplified orbital notation?

• A. $1s^{2}2s^{2}2p^3$
• B. $1s^{2}2s^{2}2p^2$
• C. $1s^{2}2s^{2}2p^1$
• D. $1s^{2}2s^{1}2p^2$

Answer: (C)