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Alexxandr [17]
3 years ago
14

If every oxygen ion (combined with an aluminum ion) has a charge of –2, what must the charge of each aluminum ion be? How can yo

u tell this? Also, what has to happen to an uncharged aluminum atom so that it will bond with oxygen?
Biology
1 answer:
leva [86]3 years ago
8 0
Each aluminium ion should have a charge of +2, because the sum of oxidation numbers must be zero.

The uncharged aluminium atom must lose two electrons to become an ion with +2 charge.
what has to happen to an uncharged aluminum atom so that it will bond with oxygen?

It has to lose electrons to become positively charged, so it can attract a negatively charged oxygen ion
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