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How many electrons would need to be added to fill the outermost energy level of hydrogen? of oxygen?
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How many electrons would need to be added to fill the outermost energy level of hydrogen? of oxygen?

User Ynjxsjmh
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1 Answer

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Usually, the octet is formed when 8 valence electrons are for it to maintain a stable electron configuration.

Oxygen has 6, so it needs 2 more.
Hydrogen, however, only needs 2 to form an octet, so it only needs one more electron.
User GuD
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