Study

Atomic Zoom- in

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