The Kinetic Theory of Matter

Practice Test
      
  1.Which pair of elements would you expect to have similar properties?  
  a.   Mg and Ti  
  b.   Si and Ge  
  c.   Li and Fe  
  d.   F and Ne  
      
  2.The elements in Groups 1, 2, and 13-17 are called the _____________.  
  a.   main group elements  
  b.   transition elements  
  c.   noble gases  
  d.   alkali metals  
      
  3.In a conductor such as silver, valence electrons are free to move to produce _____________.  
  a.   an electric current  
  b.   copper atoms  
  c.   nuclei  
  d.   electrical potential  
      
  4.Increasing a liquid's temperature causes its vapor pressure to ___________.  
  a.   increase  
  b.   remain constant  
  c.   decrease  
  d.   change to solid  
      
  5.Two atoms that share six electrons are said to be joined by a __________ bond.  
  a.   single  
  b.   hexyl  
  c.   double  
  d.   triple  
      
  6.In general, electronegativity ___________ atomic number within a period.  
  a.   remains constant with  
  b.   is inversely proportional to  
  c.   decreases with  
  d.   increases with  
      
  7.The energy required to convert 1 kg of a liquid substance at its boiling point to 1 kg of gas, is called the substance's _________________.  
  a.   energy of condensation  
  b.   sublimation point  
  c.   joule of heat  
  d.   heat of vaporization  
      
  8.A _________ is a flowing, compressible state of matter that has no definitie shape or volume.  
  a.   solid  
  b.   liquid  
  c.   gas  
  d.   plasmoid  
      
  9.A solid that has no regular structure is said to be ____________.  
  a.   cubic  
  b.   hexagonal  
  c.   crystalline  
  d.   amorphous  
      
  10.A chemical bond that results from a shared pool of valence electrons is called a ____________ bond.  
  a.   metallic  
  b.   ionic  
  c.   directional  
  d.   polar covalent  
      
  11.In general, a metal atom's valence electrons are _____________ the atomic nucleus.  
  a.   loosely bound to  
  b.   very near  
  c.   tightly bound to  
  d.   within  
      
  12.Among the ions F-, Li+, Cs+, and At-, which would you expect to have the smallest ionic radius?  
  a.   At-  
  b.   Li+  
  c.   Cs+  
  d.   F-  
      
  13.The light emitted by the gas in a neon sign is _________________.  
  a.   an incandescent light  
  b.   a filament  
  c.   an emission spectrum  
  d.   an electron  
      
  14.These two Group 15 elements are important components of many fertilizers.  
  a.   antimony and arsenic  
  b.   nitrogen and arsenic  
  c.   bismuth and phosphorus  
  d.   nitrogen and phosphorus  
      
  15.This transition element is used in many barometers and thermometers.  
  a.   copper  
  b.   iron  
  c.   mercury  
  d.   titanium  
      
  16.What electron configuration describes the outermost energy level of a molybdenum atom?  
  a.   4d4  
  b.   5d4  
  c.   5s2  
  d.   6p6  
      
  17.This nonmetal is used to increase the hardness of steel.  
  a.   chlorine  
  b.   oxygen  
  c.   nitrogen  
  d.   carbon  
      
  18.These two elements are liquids at room temperature and pressure.  
  a.   mercury and oxygen  
  b.   lithium and cesium  
  c.   mercury and bromine  
  d.   silver and nitrogen  
      
  19.The arrangement of electron pairs around the nitrogen atom in the ammonia molecule, NH3, is best described as _______________.  
  a.   square planar  
  b.   linear  
  c.   tetrahedral  
  d.   pyramidal  
      
  20.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  

 
   
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