Nuclear Decay Equations

    Cards (23)

    • What do alpha particles consist of?
      Two protons and two neutrons
    • How are alpha particles represented?
      As helium 24^{4}_{2} or the Greek letter alpha
    • What happens to uranium-238 during alpha decay?
      It loses two protons and two neutrons
    • What is the new mass number of uranium-238 after alpha decay?
      234234
    • What is the new atomic number of uranium-238 after alpha decay?
      9090
    • What element does uranium-238 become after alpha decay?
      Thorium
    • How would you write the equation for the alpha decay of radium-226?
      Radium-226 to radon plus helium
    • What is the mass number of the decay product from radium-226?
      222222
    • What is the atomic number of the decay product from radium-226?
      8686
    • What element does radium-226 become after alpha decay?
      Radon
    • What occurs during beta decay?
      A neutron turns into a proton
    • What happens to the atomic number during beta decay?
      It increases by one
    • What is emitted during beta decay?
      A fast-moving electron
    • What is the mass number of carbon-14?
      1414
    • What element does carbon-14 become after beta decay?
      Nitrogen
    • How is a beta particle represented?
      With a minus one charge and zero mass
    • What is gamma radiation?
      Pure energy with no mass or charge
    • What happens to thorium-234 during gamma decay?
      It remains thorium-234
    • How are neutron emissions represented?
      By subtracting one from the mass number
    • What does beryllium-9 decay into?
      Beryllium-8 plus a neutron
    • What is the mass number of beryllium-9?
      99
    • What is the mass number of beryllium-8?
      88
    • What is the main takeaway from the video?
      Understanding nuclear equations for radiation
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