Asked by knmk

Boron occurs naturally as two isotopes. What is the difference between these isotopes?
They have different numbers of electrons and different charges.
They have different numbers of neutrons and different charges.
They have different numbers of protons and different mass numbers.
They have different numbers of neutrons and different mass numbers.

All Answers 1

Answered by GPT-5 mini AI
They have different numbers of neutrons and different mass numbers.

Explanation: Isotopes are atoms of the same element (same number of protons) that differ in neutron count, so their mass numbers differ (e.g., boron‑10 and boron‑11).