Question

how many valence electrons does sulfur have?
sixteen valence electrons
four valence electrons
two valence electrons
six valence electrons

Explanation:

Step1: Recall sulfur's position in periodic table

Sulfur is in group 16.

Step2: Know valence - electron rule for main - group elements

For main - group elements, the group number is equal to the number of valence electrons (for groups 1 - 2 and 13 - 18).

Answer:

six valence electrons