Question

Differenciate between mass number and atomic number

Answer 1

Answer:

Explanation:

Mass no. is defined as the sum of no. of protons and neutrons in an atom, and can be the same for 2 or more atomic species.

Whereas Atomic no. is like the fingerprint of an element and is described as the no. of protons in an atom of the element. Each element has a fixed no. of protons