c) Quarks

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14 Terms

1
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  • three examples of quarks


  • up

  • down

  • strange


2
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  • the charge of an up (u) quark


  • 2e/3


3
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  • the charge of a down (d) quark


  • -1e/3


4
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  • the charge of a strange (s) quark


  • -1e/3


5
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  • three examples of anti-quarks


  • anti-up

  • anti-down

  • anti-strange


6
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  • the charge of an anti-up (ubar) anti-quark


  • -2e/3


7
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  • the charge of an anti-down (dbar) anti-quark


  • 1e/3


8
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  • the charge of an anti-strange (sbar) anti-quark


  • 1e/3


9
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  • quarks in hadrons are held together by…


  • the strong nuclear force


10
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  • the charge of a hadron = ?


  • the sum of the charges of its quarks


11
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  • the quarks in a proton


  • up, up, down


12
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  • the quarks in a neutron


  • up, down, down


13
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  • baryon


  • a hadron made up of three quarks


14
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  • meson


  • a hadron made up of a quark and an anti-quark