Given the question: Answer the following question given this paragraph: A: Any element in group 1 has just one valence electron. Examples include hydrogen (H), lithium (Li), and sodium (Na). Any element in group 18 has eight valence electrons (except for helium, which has a total of just two electrons). Examples include neon (Ne), argon (Ar), and krypton (Kr). Oxygen, like all the other elements in group 16, has six valence electrons. Q: How many valence electrons does a sodium atom have ? Choices: - three - six - two - one A:
The answer is:
one