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Asked Sep 18, 2019
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What is atomic mass and atomic number? Give me example of how to get electrons neurons and protons?

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Expert Answer

Step 1

Atomic mass (Mass number) is the sum of the number of protons and neutrons inside the nucleus of an atom.  This gives the number of subatomic particle present inside the nucleus.  Mass number is represented by the symbol A.

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number of protons number of neutrons Mass number 11

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Step 2

Atomic number for each and every element is a unique one.  This is the total number of protons that is present in an atom.  As the atom is electrica...

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number of protons Atomic number number of electrons

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