Section 28.2 The Quantum Model of the Atom

Practice Test
      
  1._________ is the study of the properties of matter using its wave properties.  
  a.   Electromagnetism  
  b.   Wave dynamics  
  c.   Quantum mechanics  
  d.   Thermodynamics  
  Hint    
      
  2.The __________ is the region in which there is a high probability of finding an electron.  
  a.   quantum model  
  b.   electron radius  
  c.   emission region  
  d.   electron cloud  
  Hint    
      
  3.What device uses stimulated emission to produce an avalanche of photons, having the same wavelength and their minima and maxima at the same times?  
  a.   diffraction grating  
  b.   laser  
  c.   semiconductor  
  d.   spectroscope  
  Hint    
      
  4.Which of the following represents the Bohr quantization condition?  
  a.   nλ = 2πr  
  b.   r/λ = h/2π  
  c.   2n = λπr  
  d.   2πrh = nλ  
  Hint    

 
   
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