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Author Question: ________ is a unique element and does not truly belong to any family. A) Nitrogen B) Radium C) ... (Read 219 times)

bb

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________ is a unique element and does not truly belong to any family.
 
  A) Nitrogen
  B) Radium
  C) Hydrogen
  D) Uranium
  E) Helium

Question 2

The average rate of disappearance of I- between 1200.0 s and 1600.0 s is ________ M/s.
 
  A) 1.8  10-5
  B) 1.2  10-5
  C) 2.0  10-5
  D) 5.0  104
  E) 1.6  10-4



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swimkari

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Answer to Question 1

C

Answer to Question 2

C





 

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