What is the difference between atomic mass and atomic number

asked Apr 12, 2017 64.7k views

3 votes

by Astra

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the mass is protons + neutrons
the number is protons/electrons

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Atomic number is the number of protons that are inside that atom. This helps identify which element an atom is.

Atomic mass is the number of protons and neutrons inside an atom.

Jayeffkay answered Apr 17, 2017

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