Quiz  /  Isotopes

  • 1. 
    What particle determines the atomic number of an atom?

  • Element
  • Neutron
  • Proton
  • Quark

  • 2. 
    Atoms always have the same number of what two atomic particles?

  • Electrons and quarks
  • Neutrons and protons
  • Neutrons and neutrinos
  • Electrons and protons

  • 3. 
    The number of what atomic particle varies between different isotopes of the same element?

  • Neutron
  • Element
  • Quark
  • Proton

  • 4. 
    What characteristic of an element differs between isotopes?

  • Positive charge
  • Chemistry
  • Negative charge
  • Mass

  • 5. 
    In the isotope Carbon-14, what does the number 14 represent?

  • All of the above
  • The number of electrons
  • The total charge
  • Mass of the atom

  • 6. 
    What is the name given to the element hydrogen when it has no neutrons?

  • Deuterium
  • Protium
  • Tritium
  • This isotope does not exist

  • 7. 
    True or False: Most elements only have 1 or 2 isotopes and several elements do not have any isotopes.

  • TRUE
  • FALSE

  • 8. 
    Which of the following is true about unstable isotopes?

  • They can turn into another element
  • They can turn into another isotope
  • They decay over time
  • All of the Above

  • 9. 
    What element has the most stable isotopes?

  • Hydrogen
  • Oxygen
  • Iron
  • Tin

  • 10. 
    What is the nickname for water made with the Hydrogen isotope deuterium?

  • Soft Water
  • Purified water
  • Hard water
  • Heavy water
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