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Author Question: A neutral atom always has A) more neutrons than protons. B) more neutrons than ... (Read 150 times)

bio_gurl

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on: Jul 29, 2018
A neutral atom always has
 
  A)
 
  more neutrons than protons.
  B)
 
  more neutrons than electrons.
  C)
 
  more protons than electrons.
  D)
 
  the same number of neutrons as protons.
  E)
 
  the same number of protons as electrons.

Question 2

A beam of light with a frequency range of 3.01  1014 Hz - 6.10  1014 Hz is incident on a metal surface. If the work function of the metal surface is 2.20 eV,
 
  what is the range of frequencies in this beam of light that will be responsible for ejecting electrons from this metal surface?
  A)
 
  1.12  1014 Hz - 5.31  1014 Hz
  B)
 
  1.12  1014 Hz - 3.10  1014 Hz
  C)
 
  3.01  1014 Hz - 6.10  1014 Hz
  D)
 
  5.31  1014 Hz - 6.10  1014 Hz
  E)
 
  None


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allisonblackmore

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

E

Answer to Question 2

D


bio_gurl

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Reply #2 on: Jul 29, 2018
Thanks


allisonblackmore

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Reply #3 on: Jul 29, 2018
Welcome :)


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