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Pentaquarks

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Your score was: 100 %

Question Results

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Question:

Which are the elementary particles inside protons and neutrons?

Response:

Quarks and gluons

Pions

Muons

Neutrinos

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Question:

Which are the valence quarks inside a proton?

Response:

Strange quarks

Three down quarks

Two up and one down-quark

Two down and one up-quark

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Question:

Which is the force that holds nuclei together?

Response:

Gravity

Strong force

Electromagnetism

Electroweak force

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Question:

Why is it difficult to detect exotic particles such as pentaquarks?

Response:

Because they do not interact with ordinary matter

Because they do not exist

Because they are neutral

Because they are rare and short-lived