Question

Why is atomic number more important than atomic mass to know the properties of element?3mark question​

Answer 1

Answer:

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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.

Answer 2

Answer:

atomic number is more important than atomic mass (weight) because it's the most basic thing. without atomic number, everything will be complicated. like electronic configuration, calculating valency, valence electrons etc...