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Josianne Prohaska

Lvl 13
1y ago
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Wiki User

16y ago

oxygen as a 2-6 electron config. oxide anion gets to add 2 electrons to make this anion have a 2-8 electron config, so 10 electrons total, 8 valence and 2 inner.

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9y ago

8. It is a good example of the octet theory at work!

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Q: How many electrons are there in the outer shell of an oxide ion?
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