What are the charged particles that form when atoms gain or lose electrons? 1.Ions
2.Bonds
3.Valence Electrons

before we can answer, we have to see the choices that are printed there with the question.   that's the only way we can point you to the correct one.

mass and volume are the answers you are looking for

the five characteristics of adolescence are biological growth and development, and undefined status, increased decision making, increased pressure and the search of self.