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Author Question: An electron orbiting a hydrogen atom in the second energy level drops down a level, and a photon is ... (Read 135 times)

stock

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on: Jul 28, 2018
An electron orbiting a hydrogen atom in the second energy level drops down a level, and a photon is emitted. What is the frequency of the photon? (Planck's constant, h, should be in units of eV.)
 
Question 2

A little more than half an electron volt is applied to a hydrogen atom to just remove its outermost electron. What energy level must this electron have been in?
 


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akudia

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Reply #1 on: Jul 28, 2018
Answer to Question 1

3

Answer to Question 2

1


stock

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Reply #2 on: Jul 28, 2018
Thank you!


akudia

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Reply #3 on: Jul 28, 2018
Always glad to help...


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