Question

what is the difference mass number
and atomic number?​

Answer 1

Answer:

The major difference between atomic number and mass number is that the atomic number states the number of protons present in an atom whereas, the mass number indicates the total of the number of protons and the number neutrons present in an atom.

Answer 2

Explanation:

Mass number is the number of protons + number of neutrons in one particular aTom

Atomic number is only the number of protons or elections.

hope it helps...