Nuclear decay

• What do alpha particles consist of?

  Two protons and two neutrons
• How are alpha particles commonly represented?

  As helium $^{4}_{2}$
• What happens to uranium-238 during alpha decay?

  It loses two protons and two neutrons
• What is the mass number of the decay product after uranium-238 undergoes alpha decay?

  $234$
• What is the atomic number of the decay product after uranium-238 undergoes alpha decay?

  $90$
• What element does uranium-238 become after alpha decay?

  Thorium
• How do you represent an alpha particle in an equation?

  As a helium nucleus
• What is the atomic number of radium-226?

  $88$
• What is the decay product of radium-226 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?

  $14$
• What element does carbon-14 become after beta decay?

  Nitrogen
• How is a beta particle represented in equations?

  With a minus one charge
• What is gamma radiation?

  Pure energy with no mass or charge
• What happens to thorium-234 during gamma decay?

  It remains thorium-234
• What is the result of neutron emission from beryllium-9?

  Beryllium-8 plus a neutron
• What is the change in mass number during neutron emission from beryllium-9?

  $8$
• What is the mass number of beryllium-9?

  $9$
• What is the main focus of the video?

  Nuclear equations for radiation types