First generation

Secondgeneration

Third generation

Flavors

d

u

s

c

b

t

Baryon number B

1/3

1/3

1/3

1/3

1/3

1/3

Electric charge Q

1/3

2/3

1/3

2/3

1/3

2/3

Isospin I

1/2

1/2

0

0

0

0

Third component of isospin I₃

1/2

1/2

0

0

0

0

Strangeness number S

0

0

1

0

0

0

Charm number C

0

0

0

1

0

0

Bottomness number $\mathcal{B}$

0

0

0

0

1

0

Topness number T

0

0

0

0

0

1

Third component of weak isospin ${\left(t_3\right)}_L$

1/2

1/2

1/2

1/2

1/2

1/2