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Author Question: Which of the following statements about the atmosphere is true? A) The overall composition of the ... (Read 47 times)

wrbasek0

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on: Aug 27, 2018
Which of the following statements about the atmosphere is true?
 
  A) The overall composition of the atmosphere has not changed with time.
  B) The component of air that makes it reactive is the element nitrogen.
  C) The hydrogen in the atmosphere is what makes it flammable.
  D) The atmosphere does not have much mass.
  E) none of the above

Question 2

The total number of electrons that can be accommodated in 3d is ________.
 
  A) 5
  B) 2
  C) 6
  D) 10


sarahccccc

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

E

Answer to Question 2

D


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