Question

State True or False.

Phosphorus has five valence electrons in its valence shell.

• A. True
• B. False

Answer 1

The correct option is A True

The given statement is true.
Phosphorus has five valence electrons in its valence shell. The atomic number of phosphorus is 15. It has 2,8 and 5 electrons in $K,L$ and $M$ shells. The electronic configuration of phosphorus is $1s^{2}2s^{2}2p^{6}3s^{2}3p^3$