Please complete, STUDY, and look over your 7th Grade Pre-AP
Chpt. 4 Properties & Changes of Matter Review WS tonight in addition
to taking this online SAMPLE test.
Please call me at (817) 456-7775 if you find any mistakes or have
questions about this sample test!
Have an awesome night!
C U tomorrow!

-Mr. Dunn

• 1) How many elements are in the compound: MgSO4 * 7H2O
  

  27
  11
  7
  6
  5
• 2) The state of matter is an example of a _________________________.
  

  physical change
  chemical property
  chemical change
  physical property
• 3) Particles in a ______________________ are the closest together.
  

  Jello
  solid
  gas
  liquid
• 4) The measurement of an object's volume is a ____.
  

  chemical property
  physical change
  physical property
  chemical change
• 5) Particles in a _____________________ are moving the fastest.
  

  gas
  Jello
  solid
  liquid
• 6) Which of the following is a possible sign of a physical change?
  

  the release of a gas
  the release of energy
  a change in color
  a change in state
  production of light
• 7) If Zinc (Zn) has an atomic number of 30 and an atomic mass of
  65.39, how many electrons does it have?
  

  30
  65
  35
  95
  36
• 8) An iron nail rusting is an example of a _________________________.
  

  chemical change
  chemical property
  physical property
  physical change
• 9) The temperature at which a solid becomes a liquid is the
  ________________________ point.
  

  sublimation point
  melting point
  freezing point
  boiling point
  substance
• 10) The ability of silver to melt is a ____________________.
  

  physical change
  chemical change
  chemical property
  physical property
• 11) If Zinc (Zn) has an atomic number of 30 and an atomic mass of
  65.39, how many neutrons does it have?
  

  30
  65
  35
  36
  95
• 12) Soidum (Na) has only one electron in its outer shell and as a
  result is highly reactive and easily bonds with many other
  elements. It belongs in the first group on the
  periodic table known as:
  

  Alkaline earth metals
  Noble gases
  Halogens
  Alkali metals
  Transition elements
• 13) Salt dissolved in water and salt in shaker on a table
  _________________________.
  

  are both still the same substance
  are both compounds
  are entirely different substances
  used to be the same thing, but now are different
  could become the same thing again by chemical processes
• 14) The ability of copper to react with oxygen is an example of a
  _________________________.
  

  chemical property
  chemical change
  physical property
  physical change
• 15) The taste of a substance is an example of a
  _________________________.
  

  chemical change
  physical property
  physical change
  chemical property