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What is the chemical formula for the binary compound composed of al3+ and o2- ions?

What is the chemical formula for the binary compound composed of al3+ and o2- ions?
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What is the chemical formula for the binary compound composed of al3+ and o2- ions?

User Bakri Bitar
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Al^(3+)_(2) O^(2-)_(3)

The charge of the whole compound =0.
+3*2 -2*3=0
User Wsw
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