Quarks and antiquarks (AQA A-Level Physics): Quizzes

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Quarks and antiquarks
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What are quarks?

Fundamental particles forming hadrons

How many quarks form a baryon?

Three quarks

What is the charge of an up quark?

+23e+\frac{2}{3}e

How do antiquark properties compare to their corresponding quarks?

Opposite signs for charge, baryon number & strangeness

What is the quark composition of a proton?

uuduud

What is the charge of a neutron?

Neutral (0)

What is the composition of a meson?

One quark and one antiquark

What is the strangeness of a K+K^+ meson?

+1+1

What is the baryon number of an antibaryon?

−1-1

What process describes neutron decay into a proton?

Beta-minus decay

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