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Atomic Zoom- in

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  • What is the difference between molecules and extended structures?
    Molecules contain more oxygen than extended structures.
    Molecules are always solid; extended structures are liquid.
    Molecules are larger than extended structures.
    Molecules are separate units; extended structures are interc
  • Which substance is an example of an extended structure?
    Diamond
    Water
    Ethyl butyrate
    Air
  • What does John Dalton’s atomic theory propose?
    Matter is made of tiny pieces called atoms.
    Matter is made of energy.
    Matter is made of light.
    Matter is made of molecules.
  • How do chemists determine if a gemstone is a real diamond?
    By examining its price.
    By looking for the presence of carbon atoms.
    By testing if it can dissolve in water.
    By checking if it contains zirconium.
  • Why are diamonds harder than cubic zirconia?
    Cubic zirconia is a liquid at high temperatures.
    Diamonds are heavier.
    Cubic zirconia contains impurities.
    Diamonds are made of pure carbon atoms packed tightly.
  • How many different types of atoms are currently known?
    150
    118
    100
    50
  • Why does ethyl butyrate smell pleasant like oranges?
    It is a processed compound made in a lab.
    It has the same atomic structure as oxygen.
    It is found naturally in many fruits.
    It is made of carbon and hydrogen atoms.
  • What is cubic zirconia made of?
    Pure carbon
    Groups of zirconium and oxygen atoms
    Molecules of gold
    Carbon and hydrogen atoms
  • What are diamonds made of?
    Nitrogen atoms
    Carbon atoms
    Hydrogen and oxygen atoms
    Zirconium and oxygen atoms
  • What makes Isovaleric acid smell unpleasant?
    It is colorless.
    It is a solid at room temperature.
    It is made of sulfur atoms.
    It has a slightly different atomic structure than ethyl buty
  • What does the chemical formula C6H12O2 represent?
    Ethyl butyrate
    Isovaleric acid
    Carbon dioxide
    Water
  • What makes substances have different properties?
    Their atomic weight.
    The temperature at which they are found.
    The number and type of atoms that repeat in their structure.
    Their shape and size.
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