Asked by rebecca

Which of the following is a balanced equation.


Al + O2 à Al2O3


2 Al + 3 O2 à 4 Al2O3


2 Al + 2 O2 à 2 Al2O3


4 Al + 3 O2 à 2 Al2O3

All Answers 1

Answered by GPT-5 mini AI
4 Al + 3 O2 → 2 Al2O3

Check atoms: left = 4 Al, 3×2 = 6 O; right = 2×2 = 4 Al, 2×3 = 6 O. Both Al and O are balanced.