The Kinetic Theory of Matter

Practice Test
  1.How many electrons may be contained in a p sublevel?  
  a.   three  
  b.   six  
  c.   eight  
  d.   ten  
  2.Two atoms that share six electrons are said to be joined by a __________ bond.  
  a.   hexyl  
  b.   double  
  c.   single  
  d.   triple  
  3. This useful transition element is the major component in steel.  
  a.   iron  
  b.   nickel  
  c.   chromium  
  d.   tungsten  
  4.The Lewis electron dot structure for this element contains seven dots.  
  a.   zinc  
  b.   francium  
  c.   iodine  
  d.   manganese  
  5.The elements in Groups 1, 2, and 13-17 are called the _____________.  
  a.   noble gases  
  b.   alkali metals  
  c.   main group elements  
  d.   transition elements  
  6.In general, atomic size ___________ from left to right across a period.  
  a.   remains the same  
  b.   increases, then decreases  
  c.   decreases  
  d.   increases  

The properties of the chemical elements in the periodic table occur in ______________.
  a.   do discernable pattern  
  b.   repeating patterns  
  c.   ascending sequence  
  d.   descending sequence  
  8.Mendeleev saw that properties of the elements repeated in an orderly way when he organized them according to ______________.  
  a.   increasing atomic mass  
  b.   decreasing atomic number  
  c.   increasing volume  
  d.   increasing atomic size  
  9.A state of ___________ is reached in a sealed container that contains significant amounts of both a liquid substance and its vapor.  
  a.   Equilibruim  
  b.   elevation  
  c.   freezing  
  d.   reaction  
  10.An electron in an atom emits energy in the form of light when it ________________.  
  a.   leaves the nucleus  
  b.   rises to a new energy level  
  c.   leaves the atom  
  d.   falls back to a lower energy level  
  11.The _______________ states that the submicroscopic particles of all matter are in constant, random motion.  
  a.   Brownian law  
  b.   kinetic theory  
  c.   atomic theory  
  d.   molecular hypothesis  

  a.   blue  
  b.   red  
  c.   violet  
  d.   green  
  13.______ K = 100oC.  
  a.   -460  
  b.   273  
  c.   373  
  d.   100  
  14.In general, electronegativity ___________ atomic number within a period.  
  a.   increases with  
  b.   decreases with  
  c.   remains constant with  
  d.   is inversely proportional to  
  15.Noble gases are unreactive because they have a full complement of ________________.  
  a.   inner-level electrons  
  b.   neutrons  
  c.   protons  
  d.   valence electrons  
  16.This transition element is used in many barometers and thermometers.  
  a.   mercury  
  b.   titanium  
  c.   copper  
  d.   iron  
  17.The constant, random motion of tiny chunks of matter is called _________________.  
  a.   parabolic trajectory  
  b.   Brownian motion  
  c.   linear motion  
  d.   kinetic motion  
  18.A radioactive isotope of this alkaline-earth metal with a mass number of 90 can replace calcium in the hydroxyapatite of bones.  
  a.   strontium  
  b.   magnesium  
  c.   beryllium  
  d.   barium  
  19.The arrangement of electron pairs around each of the two carbon atoms in the ethene molecule, C2H4, is best described as _________________.  
  a.   tetrahedral  
  b.   trigonal planar  
  c.   square planar  
  d.   linear  
  20.The shielding effect is the tendency of inner energy level electrons to block the attraction of the nucleus for ________________.  
  a.   other atoms  
  b.   protons  
  c.   neutrons  
  d.   valence electrons  

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