Question

Changes the number of nuetrons in an atom changes its

Answer 1

Answer:

When you change the number of neutrons in an atom, It changes to an isotope. Changes in number of neutrons doesn't affect the number of protons or electrons , Hence The atomic number remains same. As neutrons are added or removed, Mass number changes .

Answer 2

Mass number

Mass number is the total number of protons, and neutrons present in the nucleus of the atom. Thus, change in neutrons will change the mass number of the atom.

More:-

• Atomic number is the total number of protons in a nucleus of an atom.

It is written in form of,

$\boxed{{}^{A} {}_{Z} X}$

where, X is the element, A is the mass no., Z is the atomic number.