Question

Which of the following statements is true? Atoms of isotopes of an element have different numbers of electrons. Atoms of isotopes of an element have different numbers of neutrons. Atoms of the same element all have the same mass. Atoms of isotopes of an element have different numbers of protons.​

Answer 1

atoms of isotopes of an element have different numbers of neutrons.

Step-by-step explanation:

isotopes have the same number of protons, but different numbers of neutrons.