The Kinetic Theory of Matter

Practice Test
      
  1.Chemical bonding results in ________________.  
  a.   longer bond lengths  
  b.   decreased stability  
  c.   increased stability  
  d.   lower density  
      
  2.This Group 13 metal is obtained from its ore in a process that consumes about 5% of the electricity produced in the U.S.  
  a.   aluminum  
  b.   thallium  
  c.   gallium  
  d.   indium  
      
  3.The two rows beneath the main body of the periodic table contain the _________________.  
  a.   halogens  
  b.   alkali metals  
  c.   noble gases  
  d.   inner transition elements  
      
  4.For most substances, which physical state has the highest density?  
  a.   gas  
  b.   solid  
  c.   water  
  d.   liquid  
      
  5.The light emitted by the gas in a neon sign is _________________.  
  a.   an emission spectrum  
  b.   an incandescent light  
  c.   a filament  
  d.   an electron  
      
  6.1s22s22p1 is the electron configuration for _________.  
  a.   boron  
  b.   fluorine  
  c.   lithium  
  d.   hydrogen  
      
  7.Which of these is the electron configuration of an atom most likely to lose an electron?  
  a.   1s2 2s2 2p6  
  b.   1s2 2s2 2p6 3s2 3p5  
  c.   [He]2s2 2p5  
  d.   1s2 2s2 2p6 3s2 3p6 4s1  
      
  8.The statement that the physical and chemical properties of the elements repeat in a regular pattern when they are arranged in order of increasing atomic number is known as the ______________.  
  a.   periodic law  
  b.   Mendeleev theory  
  c.   Group theory  
  d.   Dobereiner's hypothesis  
      
  9.In general, electronegativity ___________ atomic number within a period.  
  a.   increases with  
  b.   remains constant with  
  c.   decreases with  
  d.   is inversely proportional to  
      
  10.This transition element is used in many barometers and thermometers.  
  a.   titanium  
  b.   copper  
  c.   mercury  
  d.   iron  
      
  11.A state of ___________ is reached in a sealed container that contains significant amounts of both a liquid substance and its vapor.  
  a.   reaction  
  b.   elevation  
  c.   Equilibruim  
  d.   freezing  
      
  12.Which elements would you expect to be the most reactive alkaline earth metal?  
  a.   lithium  
  b.   radium  
  c.   francium  
  d.   beryllium  
      
  13.Why was Mendeleev's periodic table widely accepted?  
  a.   His periodic table listed all of the elements in the correct order.  
  b.   He was the first to notice a pattern of similar properties among elements.  
  c.   He predicted the existence and properties of undiscovered elements.  
  d.   He organized the first 14 known elements.  
      
  14.What is the Group number of the alkali metals?  
  a.   1  
  b.   4  
  c.   2  
  d.   3  
      
  15.What characteristic do atoms in the same group of elements share?  
  a.   They have the same atomic mass.  
  b.   The have the same number of electron orbitals.  
  c.   They have similar physical properties.  
  d.   They have the same number of valence electrons.  
      
  16.A solid that has no regular structure is said to be ____________.  
  a.   cubic  
  b.   crystalline  
  c.   hexagonal  
  d.   amorphous  
      
  17.The type of analysis based on the movements of a stationary phase and a mobile phase is called _____________.  
  a.   photography  
  b.   titration  
  c.   phase movement  
  d.   chromatography  
      
  18.Many transition elements have multiple positive oxidation states because their atoms can lose some of their _______________.  
  a.   d electrons  
  b.   nuclear protons  
  c.   p electrons  
  d.   s electrons  
      
  19.A chemical bond that results from a shared pool of valence electrons is called a ____________ bond.  
  a.   metallic  
  b.   ionic  
  c.   polar covalent  
  d.   directional  
      
  20.At room temperature, gas particles move at roughly _____________ m/s.  
  a.   10 000  
  b.   100 to 1000  
  c.   1 to 2  
  d.   0.1 to 0.5  

 
   
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