Answer: Oxygen has 6 valence electrons.
Step-by-step explanation:
Oxygen has 6 valence electrons because it is the 6th family on the Periodic Table of Elements.
Element Families: 1. Alkaline Metals, 2a. Alkaline Earth Metals, 2b. Transition Metals, 3. Boron Family, 4. Carbon Family, 5. Nitrogen Family, 6. Oxygen family, 7. Halogen Family, 8. Noble Gases