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Author Question: The chemical composition of stars can be determined from lines in their spectra. Indicate whether ... (Read 37 times)

sdfghj

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The chemical composition of stars can be determined from lines in their spectra.
  Indicate whether the statement is true or false

Question 2

The characteristic peaks in an x ray spectrum of an atom occur because of rapid deceleration of the bombarding electrons.
  Indicate whether the statement is true or false



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jxjsniuniu

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Answer to Question 1

T

Answer to Question 2

F




sdfghj

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Reply 2 on: Jul 28, 2018
Gracias!


elyse44

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Reply 3 on: Yesterday
Wow, this really help

 

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