Question

Difference between atomic number and atomic mass.

Answer 1

Answer:

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.

Explanation:

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Answer 2

Atomic number is Te number of protons in the nucleus of an atom
Atomic mass is the sum of the number of protons and neutrons in the nucleus of an atom