The Kinetic Theory of Matter

Practice Test
      
  1.Which element is NOT suitable to dope silicon to produce an n-type semiconductor?  
  a.   antimony  
  b.   carbon  
  c.   arsenic  
  d.   phosphorus  
      
  2.The most stable arrangement of electrons in an atom's sublevels and orbitals is called its ________________.  
  a.   shape  
  b.   electron orientation  
  c.   electronic arrangement  
  d.   electron configuration  
      
  3.This halogen is absorbed readily by the thyroid gland.  
  a.   iodine  
  b.   fluorine  
  c.   chlorine  
  d.   bromine  
      
  4.In boron-doped silicon, electrons are said to move into and out of ___________.  
  a.   holes  
  b.   diodes  
  c.   nuclei  
  d.   inner energy levels  
      
  5.This scientist arranged some elements in triads based on their atomic masses and other properties.  
  a.   Einstein  
  b.   Mendeleev  
  c.   Dobereiner  
  d.   Newlands  
      
  6.The light emitted by the gas in a neon sign is _________________.  
  a.   an incandescent light  
  b.   an emission spectrum  
  c.   a filament  
  d.   an electron  
      
  7.The elements in Groups 1, 2, and 13-17 are called the _____________.  
  a.   alkali metals  
  b.   main group elements  
  c.   transition elements  
  d.   noble gases  
      
  8.Which elements would you expect to be the most reactive alkaline earth metal?  
  a.   beryllium  
  b.   radium  
  c.   francium  
  d.   lithium  
      
  9.The Heisenberg uncertainty principle states that it is fundamentally impossible to know both the ____________________ of the electron at the same time.  
  a.   mass and position  
  b.   mass and size  
  c.   position and energy  
  d.   energy and orientation  
      
  10.The arrangement of electron pairs around the nitrogen atom in the ammonia molecule, NH3, is best described as _______________.  
  a.   tetrahedral  
  b.   linear  
  c.   pyramidal  
  d.   square planar  
      
  11.At room temperature, gas particles move at roughly _____________ m/s.  
  a.   0.1 to 0.5  
  b.   100 to 1000  
  c.   10 000  
  d.   1 to 2  
      
  12.Water molecules stick together to form droplets because of their ___________.  
  a.   covalencies  
  b.   volumes  
  c.   masses  
  d.   polarities  
      
  13.When strontium atoms react with oxygen atoms, they form __________ bonds.  
  a.   polar covalent  
  b.   triple  
  c.   ionic  
  d.   covalent  
      
  14.A _________ is a flowing, compressible state of matter that has no definitie shape or volume.  
  a.   liquid  
  b.   solid  
  c.   plasmoid  
  d.   gas  
      
  15.The constant, random motion of tiny chunks of matter is called _________________.  
  a.   linear motion  
  b.   kinetic motion  
  c.   Brownian motion  
  d.   parabolic trajectory  
      
  16.This transition element is commonly used as a coating on iron and steel to prevent corrosion.  
  a.   niobium  
  b.   gold  
  c.   scandium  
  d.   zinc  
      
  17.The _____________ of a material is a measure of the average kinetic energy of its particles.  
  a.   mass  
  b.   temperature  
  c.   volume  
  d.   rigidity  
      
  18.In general, _________ are malleable and ductile.  
  a.   metalloids  
  b.   nonmetals  
  c.   metals  
  d.   noble gases  
      
  19.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 organized the first 14 known elements.  
  d.   He predicted the existence and properties of undiscovered elements.  
      
  20.These two Group 15 elements are important components of many fertilizers.  
  a.   nitrogen and phosphorus  
  b.   nitrogen and arsenic  
  c.   bismuth and phosphorus  
  d.   antimony and arsenic  

 
   
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