Question

Atom of an element with diferent mass number are called

Answer 1

Answer:

The atoms of a chemical element can exist in different types. These are called isotopes. They have the same number of protons (and electrons), but different numbers of neutrons. Different isotopes of the same element have different masses.

Answer 2

Answer:

Atoms of different elements having the same mass no.are called isobars

Ex:

${ar}^{40} \: {k}^{40} {ca}^{40}$

Explanation:

HOPE IT HELPS YOU...........

PLEASE THANK AND MARK AS BRAINLIEST