Starter quiz

  • What does each element on the periodic table represent?
    • A type of molecule
    • A compound
    • A type of atom  ✓
    • A mixture
  • According to Dalton's atomic theory, what is an atom?
    • A tiny ball that can be split
    • A ball that cannot be broken up  ✓
    • A type of molecule
    • A type of compound
  • What is a chemical bond?
    • A reaction that splits elements
    • A force that holds atoms together in a substance  ✓
    • A method to separate compounds
    • The process of melting elements
  • Which of the following are the correct symbols for the elements stated?
    • Su - sulfur
    • Na - sodium  ✓
    • f - fluorine
    • O - oxygen  ✓
    • NI - nickel
  • Which of the following is a pure substance?
    • Air (includes oxygen, nitrogen, argon, carbon dioxide etc.)
    • Molecules of water (made of hydrogen and oxygen atoms)  ✓
    • Molecules of oxygen (O₂)  ✓
    • Sea water (salty water)
    • A sample of one metal (e.g. iron)  ✓
  • All matter is made up of...
    • 'atoms' ✓
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