Multiple ChoiceIn the simplified model of subatomic particles, what is the electric charge of a single proton?82views
Multiple ChoiceIn a simplified model of the atom, which subatomic particles are located in the center of the atom (the nucleus)?60views
Multiple ChoiceTwo atoms always represent the same element if they have the same number of which subatomic particle?76views
Multiple ChoiceIn a simplified model of subatomic particles, what is the relative mass of an electron compared with a proton (proton mass =1)?50views
Multiple ChoiceIn a simplified model of subatomic particles, what kind of electric charge does a proton have?47views
Multiple ChoiceIn a simplified model of the atom, which subatomic particle has the least mass?60views
Multiple ChoiceIn a simplified model of the atom, which subatomic particle has a positive charge?36views