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Generation 1

Fermion
(left-handed)

Symbol

Electric
charge

Weak
isospin

Weak
hypercharge

Color
charge

Mass

Electron

511 keV

Positron

511 keV

Electron-neutrino

< 2 eV ****

Up quark

~ 3 MeV ***

Up antiquark

~ 3 MeV ***

Down quark

~ 6 MeV ***

Down antiquark

~ 6 MeV ***


Generation 2

Fermion
(left-handed)

Symbol

Electric
charge

Weak
isospin

Weak
hypercharge

Color
charge

Generation 1Mass

Muon

106 MeV

Antimuon

106 MeV

Muon-neutrino

< 2 eV ****

Charm quark

~ 1.337 GeV

Charm antiquark

~ 1.3 GeV

Strange quark

~ 100 MeV

Strange antiquark

~ 100 MeV


Generation 3

Fermion
(left-handed)

Symbol

Electric
charge

Weak
isospin

Weak
hypercharge

Color
charge

Mass

Tau lepton

1.78 GeV

Anti-tau lepton

1.78 GeV

Tau-neutrino

< 2 eV

Top quark

171 GeV

Top antiquark

171 GeV

Bottom quark

~ 4.2 GeV

Bottom antiquark

~ 4.2 GeV