b) Nucleus

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12 Terms

1
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  • a nucleus consists of…


  • positively charged protons

  • uncharged neutrons


2
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  • an atom consists of…


  • a nucleus

  • negatively charged electrons


3
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  • proton charge


  • +e


4
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  • neutron charge


  • 0


5
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  • electron charge


  • -e


6
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  • relative mass of a proton


  • 1


7
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  • relative mass of a neutron


  • 1


8
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  • relative mass of an electron


  • 1/1840


9
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  • element notation


  • AZX


10
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  • A = ?


  • nucleon number


11
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  • Z = ?


  • proton number


12
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  • isotope


  • an atom with the same number of protons and different number of neutrons