Question

isotopes have some atoms mass but different at a number it is true or false​

Answer 1

Answer:

They have the same number of protons (and electrons), but different numbers of neutrons. Different isotopes of the same element have different masses. ... The atomic number is decided by the number of protons. Isotopes have different mass numbers, though, because they have different numbers of neutrons.

Answer 2

Answer:

false is the answer for the question