M6arcelynMala M6arcelynMala

26-10-2016
Chemistry

contestada

what is the difference between atomic number and atomic mass, and what do they tell you about the atom

Respuesta :

31-10-2016

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

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