Quark and Leptons - Matter

What is subatomic particle 

Is size relevant for subatomic particles 

Which particles are subatomic 

Q:   Is the matter infinitely divisible        A:   At 2026 answer is unknown but the progress is remarkable    

  Powers of Ten 

The natural world

Chemistry and atoms

Electron (0.511)     Photon  (0)     Proton (938.3) Neutron (939.6)     Positron(0.511) Neutrino(?) Muon(106) Pions(140)          Kaons(500) Eta (550)            Lambda (1115)        Sigma (1190)     Delta (1230)     Ksi(1320)         Omega(

Intrinsic properties of the elementary  particles or invariants:

• Point-like objects

• Mass     No pattern     Huge range

• Spin     0     +1/2     +1

• Electric charge:      -1     -2/3     -1     0     1/3     2/3     1

• Color:     red     green     blue      anti-red     anti-green     anti-blue ;     no color

• Weak charge      

Elementary  matter particles have spin=1/2   aka  fermions:

• Lepton family - no color:         Masses         Charge        Lifetime      Generations             Lepton numbers          Anti leptons

• Quark family - have color:       Flavor           Charge        Masses         Generations            Anti quarks