Multiple ChoiceTwo atoms always represent the same element if they have the same number of which subatomic particle?2views
Multiple ChoiceIn an atom, the major portion of the atom's mass consists of which subatomic particles?1views
Multiple ChoiceIn a simplified model of subatomic particles, what electric charge does a proton have?2views
Multiple ChoiceIn the simplified model of subatomic particles, what is the electric charge of a proton?3views
Multiple ChoiceIn the simplified model of subatomic particles, the positively charged particle in an atom is the:2views
Multiple ChoiceIn the simplified model of subatomic particles, a proton has what type of electric charge?2views
Multiple ChoiceIn a simplified model of the atom, which subatomic particle has a positive charge?1views