Molecules and Compounds: Balancing Chemical Reactions

Aluminum and oxygen combine to form a compound called aluminum oxide, Al2O3. Which (below) is the balanced equation for the reaction? How do I balance the equation? (It will probably be helpful if you copy Choice a) below onto a piece of scratch paper for reference during this dialogue.)
a) Al + O2 ---> Al2O3
b)Al + 2O2 ---> Al2O4
c)2Al + O2 ---> Al2O3
d)4Al + 3O2 ---> 2Al2O3
e)Al + 3O2 ---> 2Al2O3




TRUE FALSE IRRELEVANT


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