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Author Question: Which element has the lowest mass per nuclear particle and therefore cannot release energy by either ... (Read 28 times)

KWilfred

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on: Jul 27, 2018
Which element has the lowest mass per nuclear particle and therefore cannot release energy by either fusion or fission?
 
  A) hydrogen B) iron C) oxygen D) silicon

Question 2

From what cosmic epoch do the photons in the cosmic background radiation originate?
 
  A) the end of the era of nuclei
  B) during the era of nucleosynthesis
  C) during the era of galaxy formation
  D) the end of the Planck era
  E) the moment of the Big Bang


ecabral0

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

B

Answer to Question 2

A


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KWilfred

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Reply #2 on: Jul 27, 2018
Thank you!


ecabral0

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Reply #3 on: Jul 27, 2018
Always glad to help...


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