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Chemistry

10th

grade

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Penentuan Proton, Elektron, Neutron

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Inayah Oktaviana

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5 questions

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  • 1. Multiple Choice
    2 minutes
    1 pt

    Tentukan jumlah proton dan neutron pada unsur berikut:

       55136Cs_{\ \ 55}^{136}Cs  

    proton 136, neutron 55

    proton 55, neutron 55

    proton 55, neutron 136

    proton 55, neutron 81

  • 2. Multiple Choice
    2 minutes
    1 pt

    Tentukan jumlah proton, elektron, dan netron pada atom besi berikut:

     2656Fe_{26}^{56}Fe  

    proton= 26, elektron= 26, neutron= 56

    proton= 26, elektron= 26, neutron= 30

    proton= 26, elektron= 56, neutron= 30

    proton= 26, elektron= 56, neutron= 56

  • 3. Multiple Choice
    2 minutes
    1 pt

    Tentukan jumlah elektron pada:

     1939K+_{19}^{39}K^+  

    19

    18

    20

    39

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