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6 questions
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  • Q1
    Which particles are radioactive?
    alpha particles and beta particles
    beta particles but not alpha particles
    neither alpha particles nor beta particles
    alpha particles but not beta particles
    30s
  • Q2
    Why is a beta particle not radioactive?
    It has no energy.
    It can't decay any further.
    It is not harmful.
    It has negative charge.
    It has positive charge.
    30s
  • Q3
    How can alpha particles damage atoms they pass sufficiently close to?
    They knock the atom's nucleus out of the atom.
    They pull electrons off atoms they pass close to.
    They collide with and break up the atom's nucleus.
    They destroy the electrons of atoms that they collide with.
    30s
  • Q4
    Which of these is the thinnest barrier that can stop most beta particles?
    a thin sheet of aluminium
    the outer layer of a person's skin
    a thick sheet of lead
    several metres of concrete
    a single sheet of paper
    30s
  • Q5
    Put these types of radiation in order of how ionising they are, starting with the most ionising.
    Users link answers
    Linking
    30s
  • Q6
    Put these types of radiation in order of how penetrating they are, starting with the most penetrating.
    Users link answers
    Linking
    30s

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