Question

Mention the number of protons and nuetrons present in the atom

Answer 1

Answer:The mass number :-

(A) of an atom is the total number of protons and neutrons in its nucleus.

The mass of the atom is a unit called the atomic mass unit (amu).

One atomic mass unit is the mass of a proton, or about 1.67×10−27 kilograms, which is an extremely small mass.

Explanation:I hope you get some help this ANS.