Question

What is difference between atomic mass and atomic number?​

Answer 1

Answer:

Atomic mass is also known as atomic weight. Atomic mass is the weighted average mass of an atom of an element based on the relative natural abundance of that element's isotopes. The mass number is a count of the total number of protons and neutrons in an atom's nucleus.

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Answer 2

HERE IS YOUR answer....

Atomic number -

the number of protons in the nucleus of an atom is the atomic number of that elements.

It is denoted by symbol 'Z' .

Atomic mass number -

the total number of protons and neutrons in an atom is the atomic mass number of that elements.

It is denoted by the symbol 'A'.