The Kinetic Theory of Matter

Practice Test
      
  1.Many towns and cities add these compounds to their water supplies.  
  a.   carbides  
  b.   fluorides  
  c.   hydrides  
  d.   sulfides  
      
  2.What group of elements was unknown to Mendeleev when he first organized his periodic table?  
  a.   Group 1, the alkali metals  
  b.   Group 18, the noble gases  
  c.   the transition elements  
  d.   Group 2, the alkaline earth metals  
      
  3.A solid that has no regular structure is said to be ____________.  
  a.   hexagonal  
  b.   crystalline  
  c.   cubic  
  d.   amorphous  
      
  4.A temperature of 0 K is known as _______________.  
  a.   absolute zero  
  b.   0oC  
  c.   the melting point of water  
  d.   the freezing point of air  
      
  5.This transition element is used in many barometers and thermometers.  
  a.   titanium  
  b.   mercury  
  c.   iron  
  d.   copper  
      
  6.The light emitted by the gas in a neon sign is _________________.  
  a.   a filament  
  b.   an electron  
  c.   an incandescent light  
  d.   an emission spectrum  
      
  7.Heavy elements such as seaborgium are created in _____________.  
  a.   test tubes  
  b.   particle accelerators  
  c.   earthquakes  
  d.   erlenmeyer flasks  
      
  8.Mendeleev predicted the properties of these two elements, which were unknown at the time.  
  a.   carbon and silicon  
  b.   boron and arsenic  
  c.   gallium and germanium  
  d.   silicon and aluminum  
      
  9.The space in which there is a 95% probability of finding an electron is called __________.  
  a.   an electron sphere  
  b.   an orbital  
  c.   an energy sublevel  
  d.   an energy level  
      
  10.In general, atomic size ___________ from top to bottom within a Group.  
  a.   increases  
  b.   increases, then decreases  
  c.   decreases  
  d.   remains the same  
      
  11.______________ is a model of gas behavior that is valid over a wide range of conditions.  
  a.   Pressure  
  b.   The gas hypothesis  
  c.   An ideal gas  
  d.   Volume  
      
  12.In a conductor such as silver, valence electrons are free to move to produce _____________.  
  a.   copper atoms  
  b.   nuclei  
  c.   electrical potential  
  d.   an electric current  
      
  13.When strontium atoms react with oxygen atoms, they form __________ bonds.  
  a.   covalent  
  b.   ionic  
  c.   polar covalent  
  d.   triple  
      
  14.Except for helium, noble gas atoms have _________.  
  a.   duets  
  b.   trios  
  c.   quartets  
  d.   octets  
      
  15.Two atoms that share six electrons are said to be joined by a __________ bond.  
  a.   triple  
  b.   double  
  c.   hexyl  
  d.   single  
      
  16.


 
  a.   green  
  b.   violet  
  c.   blue  
  d.   red  
      
  17.The CO2 molecule is _____________.  
  a.   hexagonal  
  b.   pyramidal  
  c.   linear  
  d.   trigonal planar  
      
  18. This useful transition element is the major component in steel.  
  a.   tungsten  
  b.   iron  
  c.   nickel  
  d.   chromium  
      
  19.The motions of particles cause them to spread out in a process known as ____________.  
  a.   condensation  
  b.   evaporation  
  c.   diffusion  
  d.   aeration  
      
  20.An arrow points in the direction of the _______________ of a polar covalent molecule.  
  a.   bottom  
  b.   positive end  
  c.   negative end  
  d.   center  

 
   
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