Physics Question: What are the true elementary particles? How many are there?

Is it just quarks and electrons?





Thanks!Physics Question: What are the true elementary particles? How many are there?
Fermions:





Family 1





Electron


Electron-neutrino


Up-quark


Down-quark





Family 2





Muon


Muon-neutrino


Charm Quark


Strange Quark





Family 3





Tau


Tau-neutrino


Top Quark


Bottom Quark





Boson:





Gluon - Strong Force


Photon - Electromagnetic Force


Weak Gauge Bosons - Weak Force


Graviton (hypothetical and unobserved) - Gravity