Question

Why atomic number is more important to a chemist, than its relative atomic mass?

Answer 1

Atomic number is Number of electrons in an atom.Now, Most of the chemical properties depend upon its valency electrons and Electronic configuration.So, atomic number is more important to a chemist, than its relative atomic mass.

Answer 2

Explanation:

atomic number is equal to number of electron in an atom most of the electronic configuration . so atomic number is so important to a chemist