Question

what is the difference between atomic mass and atomic number?

Answer 1

atomic no. is the total number of protons or electron in an atom.
atomic mass is the total number of protons and neutrons in the nucleus of an atom of element

Answer 2

• 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.