Which subatomic particles can vary between isotopes of the same element, without changing the observed chemical properties?

Question

Quizplus · Accepted Answer

Isotopes of the same element have the same number of protons and electrons, but they differ in their number of neutrons. Therefore, the only subatomic particle that can vary between isotopes without changing the observed chemical properties is the neutron.

Which Subatomic Particles Can Vary Between Isotopes of the Same