Question

when two elements bond and form a compound, what happens to their protons? both elements lose protons. they share or give away their protons. the protons remain the same in the nucleus of each atom.

Explanation:

Chemical bonding involves valence - electrons, not protons. Protons are in the nucleus and remain unchanged during chemical bonding to form compounds.

Answer:

The protons remain the same in the nucleus of each atom.