Question

Nitrogen has $2$ shells. On moving $1$ blocks on the left, how many shells does the element have? Guess the element also.

• A. $1$, Sodium
• B. $2$, Carbon
• C. $2$, Oxygen
• D. $1$, Sulphur

Answer 1

Answer: (B)

$2$, Carbon

On moving $1$ blocks left, the shell number doesn't changes as the element lies in the same period. So the shell will be $2$ and the element will be carbon.