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Leni [432]
3 years ago
6

Compare the number of valence electrons in an atom of oxygen, o, with the number of valence electrons in an atom of selenium, se

. are oxygen and selenium in the same period or group?
Chemistry
1 answer:
Fiesta28 [93]3 years ago
4 0
Oxygen and selenium both have 6 valence electrons. They're in the same group hope this helps
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