The Kinetic Theory of Matter

Practice Test
      
  1.1s22s22p1 is the electron configuration for _________.  
  a.   hydrogen  
  b.   fluorine  
  c.   lithium  
  d.   boron  
      
  2.What characteristic do atoms in the same group of elements share?  
  a.   They have the same number of valence electrons.  
  b.   They have the same atomic mass.  
  c.   They have similar physical properties.  
  d.   The have the same number of electron orbitals.  
      
  3.Which element is NOT suitable to dope silicon to produce an n-type semiconductor?  
  a.   carbon  
  b.   phosphorus  
  c.   arsenic  
  d.   antimony  
      
  4.These two Group 15 elements are important components of many fertilizers.  
  a.   nitrogen and arsenic  
  b.   nitrogen and phosphorus  
  c.   bismuth and phosphorus  
  d.   antimony and arsenic  
      
  5.Mendeleev predicted the properties of these two elements, which were unknown at the time.  
  a.   gallium and germanium  
  b.   silicon and aluminum  
  c.   boron and arsenic  
  d.   carbon and silicon  
      
  6.For most substances, which physical state has the highest density?  
  a.   solid  
  b.   liquid  
  c.   gas  
  d.   water  
      
  7._____________ is the measure of an atom's ability to attract electrons in a bond.  
  a.   melting point  
  b.   Shielding  
  c.   Ionic radius  
  d.   Electronegativity  
      
  8.Among the ions F-, Li+, Cs+, and At-, which would you expect to have the smallest ionic radius?  
  a.   Li+  
  b.   F-  
  c.   At-  
  d.   Cs+  
      
  9.In general, _________ are malleable and ductile.  
  a.   metalloids  
  b.   metals  
  c.   nonmetals  
  d.   noble gases  
      
  10.This transition element is commonly used as a coating on iron and steel to prevent corrosion.  
  a.   niobium  
  b.   gold  
  c.   scandium  
  d.   zinc  
      
  11.The pressure of a substance in equilibrium with its liquid is called its _________________.  
  a.   rate  
  b.   vapor pressure  
  c.   freezing point  
  d.   temperature  
      
  12.The two rows beneath the main body of the periodic table contain the _________________.  
  a.   inner transition elements  
  b.   noble gases  
  c.   halogens  
  d.   alkali metals  
      
  13._______________ is a measure of the size of an atom.  
  a.   Oxidation number  
  b.   Number of electrons  
  c.   Nuclear charge  
  d.   Atomic radius  
      
  14.The boiling point of methane, CH4, is ___________ than that of water.  
  a.   much lower  
  b.   slightly higher  
  c.   much higher  
  d.   slightly higher  
      
  15.


 
  a.   violet  
  b.   green  
  c.   red  
  d.   blue  
      
  16.At the same temperature, ethanol has _____________ vapor pressure than water.  
  a.   a somewhat lower  
  b.   about the same  
  c.   a much higher  
  d.   a much lower  
      
  17.Two atoms that share six electrons are said to be joined by a __________ bond.  
  a.   hexyl  
  b.   double  
  c.   triple  
  d.   single  
      
  18.The Heisenberg uncertainty principle states that it is fundamentally impossible to know both the ____________________ of the electron at the same time.  
  a.   position and energy  
  b.   mass and position  
  c.   mass and size  
  d.   energy and orientation  
      
  19.These two elements are liquids at room temperature and pressure.  
  a.   silver and nitrogen  
  b.   lithium and cesium  
  c.   mercury and bromine  
  d.   mercury and oxygen  
      
  20.___________ is the most common form of matter in the universe but the least common on Earth.  
  a.   Liquid  
  b.   Plasma  
  c.   Solid  
  d.   Gas  

 
   
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