How Do Quarks Differ from Other Elementary Particles

question 15

Multiple Choice

How do quarks differ from other elementary particles?

• A) Quarks exist as free-floating particles in space.
• B) Quarks have positive and negative charges that are all multiples of two.
• C) Quarks form the basic structure of all electrons.
• D) Only six kinds of quarks make up the hundreds of nuclear particles.
• E) Quarks can be isolated and observed in a cloud chamber.

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