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Radioactive Decay

Quiz by NURUL AZWIN MAZLAN

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6 questions
Show answers
  • Q1

    The diagram shows the equation of the decay process of plumbum-214. What is X?

    Question Image

    Alpha particle

    Gamma ray

    Beta particle

    Electron

    30s
  • Q2

    What is radioactive decay?

    Users enter free text
    Type an Answer
    30s
  • Q3

    Beta particle is a fast moving electron.

    true
    false
    True or False
    30s
  • Q4

    The equation in the diagram shows the decay process of thorium-228. 

    Which of the following is correct?

    Question Image

    x : 228,   y: 88

    x : 224,   y: 88

    x : 228,   y: 91

    x : 224,   y: 91

    30s
  • Q5

    What is true about gamma ray?

    fast moving electron

    has greater mass after the decay

    high-frequency electromagnetic wave

    will decompose into one proton and one electron

    30s
  • Q6

    During the alpha decay, changes from parent nucleus to daughter nucleus include all this process except

    nucleon number A is reduced by 4

    proton number Z is reduced by 2

    change from one element to another

    nucleon number A is reduced by 2

    30s

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