Final answer:
Oxygen in group 16 has 6 valence electrons, while hydrogen in group 1 has 1 valence electron, totaling 8 valence electrons.
Explanation:
Oxygen is in group 16 of the periodic table and has 6 valence electrons. Each hydrogen atom (group 1) contributes 1 valence electron and each oxygen atom contributes 6, resulting in a total of 8 valence electrons.
Learn more about Valence electrons in oxygen and hydrogen atoms here:
https://brainly.com/question/51049489
