(no subject)
Name
Symbol
Mass (MeV)
Charge
Baryon Number
Strangeness
Up
u
310
+2/3
1/3
0
Down
d
310
-1/3
1/3
0
Strange
s
505
-1/3
1/3
-1
Family
Name
Symbol
Quark composition
Charge
Strangeness
Rest Mass
Mesons
Pion
p+
ud
+1
0
140
p0
uu OR dd
0
0
135
p-
dd
-1
0
140
Kaon
K+
us
+1
+1
494
K0
ds OR sd
0
+1/-1
498
Baryons
Proton
p
uud
+1
0
938
Neutron
n
udd
0
0
939