Radioactive Materials

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1. What is an 'Isotope?'

  • A form of an element which has different neutrons to the most commonly found form.
  • Radioactive decay
  • Ionising radiation that emits gamma radiation
  • Different form of radioactive elements
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2. What is alpha radiation?

  • Large, highly ionising and can't pass through the skin
  • Small, low ionising and can't pass through the skin
  • Large, low ionising and can't pass through the skin
  • Small, highly ionising and can pass through the skin

3. Fission...

  • Makes heavier nuclei
  • Causes an atom to split
  • Combines nuclei
  • Adds more protons

4. What is the half-life of a radioisotope?

  • The amount of half the radiation to decay.
  • The time taken for the atoms to decay
  • The time taken for half of all the atoms to decay
  • Half of the time taken for the atoms to decay.

5. What force attracts the protons and neutrons?

  • Strong Nuclear Force
  • Nuclear bonds
  • Nuclear Force
  • Electrostatic Force

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