Question

what is atomic number and atomic mass number?


plz fast

Answer 1

atomic no. is equal to no. of protons
atomic mass is sum of netron +proton

Answer 2

Hey mate!

Here is ur answer!

▪ Atomic Number :

The number of protons present in the nucleus of an atom of a particular element is called the atomic number of the element.

▪ Atomic Mass Number :-

The sum of the numbersof protons and neutrons present in the nucleus of an atom is called mass number of the atom.

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