Which of the following particles is a lepton?
Proton
Neutron
Electron
How many different quarks have so far been discovered?
12
4
9
6
23
Which of the following are the three leptons as classified by the Standard Model?
Proton, neutron, electron
Gluon, proton, electron
Tau, electron, muon
Neutron, tau, gluon
Photon, electron, muon
The anti-particle of the electron is called the muon.
All leptons have corresponding neutrinos.
The top quark is the heaviest quark.
Which of the following is the correct anti-particle of the electron?
Photon
Positron
The is the particle that forms part of the nucleus of an atom and has a positive charge.
