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Evgen [1.6K]
3 years ago
10

4.) How do you determine the mass number of an atom?

Biology
1 answer:
spayn [35]3 years ago
6 0

the mass number or mass number is the sum of the number of protons and the number of neutrons in the nucleus of an atom. It is symbolized by the letter A (the use of this letter comes from the German Atomgewicht, which means atomic weight, although they are different concepts that should not be confused).

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