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A student is balancing an equation in her chemistry class. What fact is she using to check her work?

A ).The number of atoms on each side of the reaction arrow must be different.

B).The number of atoms on each side of the reaction arrow must be the same.

C).The number of molecules on each side of the reaction arrow must be the same.

D).The number of elements on each side of the reaction arrow must be the same.

3Na+3CI+AI—>3Na+3CI+AI

Respuesta :

Justin78906

Answer:

The answer is B. The number of atoms on each side of the reaction arrow must be the same.

Explanation:

Check your work to make certain you have the same number and type of atoms on the reactants side as on the products side