What particles have no mass?a.Electronsb.Photonsc.Neutrinosd.Gluonse.All of the abovef.None of the above

Which of the atomic particles has the least mass?(1 Point)ProtonNeutronElectronNucleon

Which of the following has mass of 1 amu?Select answersAProtonBNeutronCHydrogen atomD α -particle

Which best describes the mass of protons, neutrons, and electrons?A.Neutrons and protons have a much larger mass than electrons.B.Protons have a much larger charge than neutrons and electrons.C.Electrons have a much larger mass than protons and neutrons.D.Neutrons have a much larger mass than protons and electrons.

What small particles make up all matter?Group of answer choicesMineralsCompoundsAtomsElements

What makes up nearly all of the atom's mass?A.The sum of all protons and electronsB.The sum of all isotopesC.The sum of all neutrons and electronsD.The sum of all protons and neutrons