# Physical science

How does the law of conservation of matter apply to chemical equations?

A. The sum of the coefficients on each side of the equation must be the same.
B. The sum of the atomic masses on both sides of the equation must be the same.**
C. The sum of the atomic numbers on both sides of the equation must be the same.
D. The total number of atoms of each element on both sides of the equation must be the same.

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1. B is correct!

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2. Thank you ^-^

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3. do you balance chemical equations by atoms or mass?

D may be more appropriate

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4. R_Scott is right on. Sophia missed the boat.

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DrBob222
5. Whew, Someone (R Scott and Dr Bob) caught it before I saw it.

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Damon

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