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Elements and Compounds

  •  English    20     Public
    Compare and contrast elements and compounds in terms of atoms, molecules, chemical symbols, and formulas.
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  • Contains only one kind of atom.
    Element
  •  15
  • Contains two or more atoms combined
    Compound
  •  15
  • The air is a _________.
    Mixture
  •  15
  • Elements can be broken down into simpler substances (T/F)
    False
  •  10
  • Examples of this matter are milk and gasoline.
    Mixtures
  •  15
  • Examples of this matter are potassium (K), diamonds (C) and uranium (U)
    Elements
  •  15
  • Is sugar (C12H22O11) an element or a compound?
    Compound
  •  10
  • Diagram "Y" is an example of a(n)
    Compound
  •  15
  • Diagram "X" is an example of a(n)
    Element
  •  15
  • Diagram "B" is an example of a(n)
    Element
  •  15
  • Diagram "W" is an example of a(n)
    Mixture
  •  15
  • Which of the following are the types of pure substances? a) Elements b) Compounds c) Mixtures d) Metals
    Elements and Compounds
  •  20
  • The mechanical seperation of elements is __________. (possible / impossible)
    Impossible
  •  10
  • Salt is an example of _______.
    Compound
  •  15
  • A substance that cannot be split into simpler substances by chemical means is known as
    an element
  •  15
  • How many elements are in NaCl?
    2
  •  15