What could cause an atom to lose an electron? What is the role of electrons in the atom?
What is in the space between electrons?
Which subatomic particle determines the identity of the atom?
Why can't atoms gain or lose protons?
Do atoms ever actually touch each other? Explain your reasoning.

Ibelieve it is b. proton.hope my answer has you : )

Answer    "a salt" would be the best answerexplanationsalts can be defined as ionic compounds that are neither acids nor bases. nacl is an example of a salt, and its ionic.an enzyme is an organic compound which is covalently bonded, not ionically bonded.acids are generally held together by covalent bondsan element does not need any bonds to exist

D=m/v =57.9/3 = 19.3 g/cm^3