Looking at the periodic table, determine the number of valence electrons present in Phosphorous (P).

a
2 valence electrons
b
3 valence electrons
c
5 valence electrons
d
4 valence electrons

The correct answer is c) 5 valence electrons. Phosphorous (P) is located in group 15 (group 5A) of the periodic table, which means it has 5 valence electrons.