Question

what is a nuclide? a chemical element a proton or a neutron a type of isotope a nucleus with a specific number of protons and neutrons

Explanation:

A nuclide is a nucleus with a specific number of protons and neutrons. Chemical elements are made up of different nuclides. Protons and neutrons are sub - atomic particles that make up a nuclide, not what a nuclide is itself. Isotopes are different nuclides of the same element with the same number of protons but different numbers of neutrons.

Answer:

D. A nucleus with a specific number of protons and neutrons