Question

Why is atomic number more important?

Answer 1

Explanation:

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. ... and neutrons are too equal to the number of protons and electrons (not always but 80%).

Answer 2

Answer:

Explanation:

This number is very important because it is unique for atoms of a given element. All atoms of an element have the same number of protons, and every element has a different number of protons in its atoms.