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Author Question: The diagram represents energy levels in a hydrogen atom. The labeled transitions (A through E) ... (Read 125 times)

Jkov05

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on: Jul 27, 2018
The diagram represents energy levels in a hydrogen atom. The labeled transitions (A through E) represent an electron moving between energy levels.
 
  Suppose that an electron in a hydrogen atom absorbs 10.2 eV of energy, so that it moves from level 1 to level 2. What typically happens next?
  A) The electron remains in level 2 until it absorbs an additional 10.2 eV of energy.
  B) The electron jumps to level 3 as soon as it absorbs any additional energy.
  C) A different electron drops into level 1, since it is now unoccupied.
  D) The electron returns to level 1 by emitting an ultraviolet photon with 10.2 eV of energy.

Question 2

A fatal flaw with Ptolemy's model is its inability to predict the observed phases of
 
  A) the Sun during an eclipse.
  B) Mars and Jupiter.
  C) the Moon in its monthly cycle.
  D) Jupiter and Saturn.
  E) Mercury and Venus.


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djpooyouma

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Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

E


Jkov05

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Reply #2 on: Jul 27, 2018
TY


djpooyouma

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Reply #3 on: Jul 27, 2018
You're welcome


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