A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
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M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
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Z |
Unit |
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A quantity accepted as a standard of measurement like the  |
Up Quark |
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One of the six types (flavors) of quarks. This is the least massive one with positive electric charge. Ushi is shown here as an up quark.  |