The Kinetic Theory of Matter

Practice Test
      
  1.This transition element is used in many barometers and thermometers.  
  a.   copper  
  b.   mercury  
  c.   iron  
  d.   titanium  
      
  2.The constant, random motion of tiny chunks of matter is called _________________.  
  a.   kinetic motion  
  b.   parabolic trajectory  
  c.   Brownian motion  
  d.   linear motion  
      
  3.This alkali-metal compound is used in drain cleaners and in the digestion of wood pulp.  
  a.   sodium carbonate  
  b.   sodium nitrate  
  c.   sodium hydroxide  
  d.   sodium chloride  
      
  4.Atoms that share electrons form __________ bonds.  
  a.   quantitative  
  b.   ionic  
  c.   covalent  
  d.   quartets  
      
  5.The _____________ of a material is a measure of the average kinetic energy of its particles.  
  a.   rigidity  
  b.   volume  
  c.   temperature  
  d.   mass  
      
  6.


 
  a.   red  
  b.   green  
  c.   violet  
  d.   blue  
      
  7.In general, atomic size ___________ from left to right across a period.  
  a.   increases, then decreases  
  b.   increases  
  c.   decreases  
  d.   remains the same  
      
  8.Two atoms that share six electrons are said to be joined by a __________ bond.  
  a.   double  
  b.   single  
  c.   hexyl  
  d.   triple  
      
  9.The most stable arrangement of electrons in an atom's sublevels and orbitals is called its ________________.  
  a.   electron orientation  
  b.   electron configuration  
  c.   shape  
  d.   electronic arrangement  
      
  10.What characteristic do atoms in the same group of elements share?  
  a.   They have similar physical properties.  
  b.   They have the same atomic mass.  
  c.   The have the same number of electron orbitals.  
  d.   They have the same number of valence electrons.  
      
  11.The _______________ states that the submicroscopic particles of all matter are in constant, random motion.  
  a.   molecular hypothesis  
  b.   kinetic theory  
  c.   Brownian law  
  d.   atomic theory  
      
  12.


The center of positive charge in the H2O molecule lies ______________________.
 
  a.   in the geometric center of the molecule  
  b.   on one of the hydrogen atoms  
  c.   on the oxygen atom  
  d.   between the two hydrogen atoms  
      
  13.These two elements are liquids at room temperature and pressure.  
  a.   lithium and cesium  
  b.   mercury and bromine  
  c.   mercury and oxygen  
  d.   silver and nitrogen  
      
  14.This scientist arranged some elements in triads based on their atomic masses and other properties.  
  a.   Dobereiner  
  b.   Newlands  
  c.   Einstein  
  d.   Mendeleev  
      
  15.Sodium and chlorine react to produce ______________.  
  a.   gaseous chlorine  
  b.   liquid sodium  
  c.   sodium chloride  
  d.   sodium chlorine  
      
  16.The light emitted by the gas in a neon sign is _________________.  
  a.   an electron  
  b.   a filament  
  c.   an incandescent light  
  d.   an emission spectrum  
      
  17.Many transition elements have multiple positive oxidation states because their atoms can lose some of their _______________.  
  a.   nuclear protons  
  b.   d electrons  
  c.   p electrons  
  d.   s electrons  
      
  18.Covalent bonding results when this element reacts with fluorine.  
  a.   oxygen  
  b.   lithium  
  c.   potassium  
  d.   iron  
      
  19.The pressure of a substance in equilibrium with its liquid is called its _________________.  
  a.   freezing point  
  b.   temperature  
  c.   vapor pressure  
  d.   rate  
      
  20.The fourth energy level can hold _______ more electrons than the third energy level.  
  a.   10  
  b.   14  
  c.   2  
  d.   6  

 
   
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