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Lonic Bonding

Why did it require two sodium atoms to Complete
the Na 0 formula unit?

Na has +2 charge and O has -1 charge.
Na has +1 charge and O has -2 charge
Na has -2 charge and O has +1 charge.

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User ColCh
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1 Answer

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Na has a +1 charge, and O has a -1 charge.
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User Rlinden
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