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08-10-2018
Physics

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By what are isotopes identified?

A.
mass numbers

B.
atomic masses

C.
atomic mass units

D.
average atomic masses

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nap14hockey nap14hockey

08-10-2018

Isotopes are identified by Mass Numbers. The mass number is the definite number of protons + neutrons in THAT SPECIFIC atom you are talking about. For example, Carbon-14 is called that because it has a mass of 14 (6 Protons and 8 Neutrons)

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