Question

What is the chemical formula for the stable ionic compound formed between aluminum and oxygen?
A. AlO
B. Al2O3
C. Al3O3
D. Al3O2

Answers

GPT-4o mini
The stable ionic compound formed between aluminum and oxygen is B. Al2O3.

Aluminum has a charge of +3 (Al^3+) and oxygen has a charge of -2 (O^2-). To balance the charges in the compound, two aluminum ions (total charge +6) combine with three oxide ions (total charge -6), resulting in the formula Al2O3.

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