Question

Electronic configuration $1s^2,2s^2,2p^3$ represents the element:

• A. $O$
• B. $P$
• C. $N$
• D. $Na$

Answer 1

Answer: (C)

$N$

For electronic configuration $1s^{2}2s^{2}2p^3$, the atomic number is 7. Therefore, the element is Nitrogen ($N$).