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In the compound Al2O3 aluminum has an oxidation number of 3 while oxygen's oxidation number is .?
Wiki User
∙ 6y ago
In the compound Al2O3, aluminium has an oxidation number of +3, while oxygen's oxidation number is __-2 ____.
For aluminium oxide (Al2O3) to form the ionic charges MUST balance.
Hence For the 2 aluminiums
it is 2 x 3 = +6
For the 3 oxygens
it is 3 X -2 = -6
+6 -6 = 0
So the charges balance, hence Al2O3 is neutrally charged compound and NOT an ion.
lenpollock
Wiki User
∙ 6y agoAnswer this question…In the compound Al2O3, aluminum has an oxidation number of 3, while oxygen's oxidation number is ______.
Na'lene Jones
Bree Williams
-2
Tito Nolan
Meghan Asher
-2
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