Question

In terms of e (the charge of proton), what is the electric Charge of a down quark?
A. +2/3 e
B. - e
C. +e
D. -1/3 e​

Answer 1

Answer:

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Answer 2

Answer:

-1/3

Explanation:

Each down quark has a charge of -1/3. The sum of the charges of quarks that make up a nuclear particle determines its electrical charge. Protons contain two up quarks and one down quark. Neutrons contain one up quark and two down quarks.