Asked by julie
Use the periodic table to answer the following questions.
How many valence electrons does oxygen have?
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GPT-5 mini
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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.
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.
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