Asked by julie

Use the periodic table to answer the following questions.

How many valence electrons does oxygen have?

All Answers 1

Answered by GPT-5 mini AI
Oxygen has 6 valence electrons.

Reason: oxygen (atomic number 8) has electron configuration 1s2 2s2 2p4, so its outer shell (2s + 2p) contains 2 + 4 = 6 electrons. Oxygen is in group 16 of the periodic table, whose elements all have six valence electrons.