The Kinetic Theory of Matter

Practice Test
  1.The two rows beneath the main body of the periodic table contain the _________________.  
  a.   inner transition elements  
  b.   alkali metals  
  c.   halogens  
  d.   noble gases  
  2.What is the Group number of the alkali metals?  
  a.   4  
  b.   3  
  c.   2  
  d.   1  
  3.Which of these is the electron configuration of an atom most likely to gain an electron?  
  a.   1s2 2s2 2p6  
  b.   1s2 2s2 2p6 3s2 3p5  
  c.   1s2 2s2 2p6 3s2 3p6 4s1  
  d.   1s2 2s2 2p6 3s1  
  4.This noble gas is used to carry scientific instruments into the upper atmosphere.  
  a.   argon  
  b.   krypton  
  c.   xenon  
  d.   helium  
  5.Pressure is the __________ acting per unit area of a surface.  
  a.   momentum  
  b.   velocity  
  c.   mass  
  d.   force  
  6.Many transition elements have multiple positive oxidation states because their atoms can lose some of their _______________.  
  a.   p electrons  
  b.   d electrons  
  c.   s electrons  
  d.   nuclear protons  
  7.According to the kinetic-molecular theory, which of these describes a gas?  
  a.   small particles far apart in uniform motion  
  b.   large particles far apart in uniform motion  
  c.   small particles in constant, random motion  
  d.   large particles in constant, random motion  
  8.If an s sublevel could contain up to three electrons, which element would be the first noble gas?  
  a.   helium  
  b.   neon  
  c.   carbon  
  d.   lithium  
  9.A temperature of 0 K is known as _______________.  
  a.   absolute zero  
  b.   0oC  
  c.   the freezing point of air  
  d.   the melting point of water  
  10.In general, electronegativity ___________ atomic number within a period.  
  a.   increases with  
  b.   is inversely proportional to  
  c.   remains constant with  
  d.   decreases with  
  11.Lanthanides and actinides are known as _________________.  
  a.   noble gases  
  b.   inner transition elements  
  c.   halogens  
  d.   metalloids  
  12.This alkali-metal compound is used in drain cleaners and in the digestion of wood pulp.  
  a.   sodium hydroxide  
  b.   sodium chloride  
  c.   sodium nitrate  
  d.   sodium carbonate  
  13.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  

The properties of the chemical elements in the periodic table occur in ______________.
  a.   descending sequence  
  b.   do discernable pattern  
  c.   repeating patterns  
  d.   ascending sequence  
  15.This transition element is used in many barometers and thermometers.  
  a.   copper  
  b.   iron  
  c.   mercury  
  d.   titanium  
  16.The arrangement of electron pairs around the nitrogen atom in the ammonia molecule, NH3, is best described as _______________.  
  a.   pyramidal  
  b.   linear  
  c.   square planar  
  d.   tetrahedral  
  17.The light emitted by the gas in a neon sign is _________________.  
  a.   a filament  
  b.   an incandescent light  
  c.   an emission spectrum  
  d.   an electron  
  18.An arrow points in the direction of the _______________ of a polar covalent molecule.  
  a.   negative end  
  b.   center  
  c.   bottom  
  d.   positive end  
  19.Two atoms that share six electrons are said to be joined by a __________ bond.  
  a.   hexyl  
  b.   single  
  c.   double  
  d.   triple  
  20.Mendeleev saw that properties of the elements repeated in an orderly way when he organized them according to ______________.  
  a.   increasing volume  
  b.   increasing atomic size  
  c.   increasing atomic mass  
  d.   decreasing atomic number  

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