Answer: 1/2 of an answer is zero
Explanation:
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It would be C, because Ionic bonds have to deal with valence electrons ( the outer shell ones)
It is 1-3-1-3
so 1Al2O3 + 3H2So4 ---> 1Al2(So4)3 + 3H2O
It is d. compounds because they have more than one element.