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Adding the number of protons to the number of neutrons determines what about the atom? A the atomic number B the atomic mass (Hint: protons + neutrons = ?)
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35 votes
35 votes
Adding the number of protons to the number of neutrons determines what about the atom?

A
the atomic number
B
the atomic mass

(Hint: protons + neutrons = ?)

User Vladimir Dronov
by
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1 Answer

16 votes
16 votes
Number of protons is Z and number of neutrons is A-Z
The add the both
Z + A - Z
Z cancels to give A(Atomic mass)
User Symlink
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