atomic mass and mass number are they same

Asked by Sarthak Katyal | 6th Feb, 2014, 09:12: AM

Expert Answer:

Mass number is the number of protons and neutrons in an atom and it tells us about the mass of the atom in amu, or atomic mass units.
Atomic mass is the average mass of all the isotopes of a certain type.

Answered by  | 6th Feb, 2014, 09:27: AM

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