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Author Question: Materials in which the electrons are bound very loosely to the nuclei and can move about freely ... (Read 152 times)

hbsimmons88

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on: Jul 29, 2018
Materials in which the electrons are bound very loosely to the nuclei and can move about freely within the material are referred to as
 
  A)
 
  insulators.
  B)
 
  conductors.
  C)
 
  semiconductors.
  D)
 
  superconductors.
  E)
 
  polar.

Question 2

Light with a frequency of 8.70  1014 Hz is incident on a metal that has a work function of 2.8 eV. What is the maximum kinetic energy that a photoelectron ejected in this process can have?
 
  A)
 
  8.71  10-19 J
  B)
 
  3.11  10-19 J
  C)
 
  1.28  10-19 J
  D)
 
  2.41  10-19 J
  E)
 
  4.52  10-19 J


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Sammyo

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Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

C


hbsimmons88

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Reply 2 on: Jul 29, 2018
Gracias!

nathang24

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Reply 3 on: Yesterday
Excellent

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