The Kinetic Theory of Matter

Practice Test
      
  1.From beryllium to radium, you would expect the chemical reactivities of the elements in Group 2 to ____________.  
  a.   increase  
  b.   remain the same  
  c.   decrease  
  d.   increase, then decrease  
      
  2.If an s sublevel could contain up to three electrons, which element would be the first noble gas?  
  a.   neon  
  b.   helium  
  c.   lithium  
  d.   carbon  
      
  3.A state of ___________ is reached in a sealed container that contains significant amounts of both a liquid substance and its vapor.  
  a.   freezing  
  b.   reaction  
  c.   Equilibruim  
  d.   elevation  
      
  4.The arrangement of electron pairs around the nitrogen atom in the ammonia molecule, NH3, is best described as _______________.  
  a.   pyramidal  
  b.   square planar  
  c.   linear  
  d.   tetrahedral  
      
  5.Which elements would you expect to be the most reactive alkaline earth metal?  
  a.   radium  
  b.   lithium  
  c.   francium  
  d.   beryllium  
      
  6.The CO2 molecule is _____________.  
  a.   linear  
  b.   pyramidal  
  c.   trigonal planar  
  d.   hexagonal  
      
  7._____________ is the measure of an atom's ability to attract electrons in a bond.  
  a.   melting point  
  b.   Electronegativity  
  c.   Shielding  
  d.   Ionic radius  
      
  8.Noble gases are unreactive because they have a full complement of ________________.  
  a.   neutrons  
  b.   inner-level electrons  
  c.   valence electrons  
  d.   protons  
      
  9.The most stable arrangement of electrons in an atom's sublevels and orbitals is called its ________________.  
  a.   electronic arrangement  
  b.   shape  
  c.   electron orientation  
  d.   electron configuration  
      
  10.A solid that has no regular structure is said to be ____________.  
  a.   amorphous  
  b.   crystalline  
  c.   hexagonal  
  d.   cubic  
      
  11.________________ is the reverse of evaporation.  
  a.   Boiling  
  b.   Freezing  
  c.   Condensation  
  d.   Melting  
      
  12.


 
  a.   green  
  b.   red  
  c.   blue  
  d.   violet  
      
  13.___________ sharing of electrons results in ionic bonding.  
  a.   Equal  
  b.   Highly unequal  
  c.   Slightly unequal  
  d.   Electronegative  
      
  14.


The properties of the chemical elements in the periodic table occur in ______________.
 
  a.   repeating patterns  
  b.   ascending sequence  
  c.   do discernable pattern  
  d.   descending sequence  
      
  15.In general, atomic size ___________ from top to bottom within a Group.  
  a.   increases  
  b.   increases, then decreases  
  c.   remains the same  
  d.   decreases  
      
  16.For most substances, which physical state has the highest density?  
  a.   water  
  b.   gas  
  c.   solid  
  d.   liquid  
      
  17.Many transition elements have multiple positive oxidation states because their atoms can lose some of their _______________.  
  a.   s electrons  
  b.   d electrons  
  c.   p electrons  
  d.   nuclear protons  
      
  18.The elements in Groups 1, 2, and 13-17 are called the _____________.  
  a.   transition elements  
  b.   noble gases  
  c.   alkali metals  
  d.   main group elements  
      
  19.These two Group 15 elements are important components of many fertilizers.  
  a.   bismuth and phosphorus  
  b.   nitrogen and arsenic  
  c.   antimony and arsenic  
  d.   nitrogen and phosphorus  
      
  20.These two elements are liquids at room temperature and pressure.  
  a.   mercury and bromine  
  b.   mercury and oxygen  
  c.   lithium and cesium  
  d.   silver and nitrogen  

 
   
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