Approximately 90 of the earth's ozone is in the ________. Fill ...

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Approximately 90 of the earth's ozone is in the ________.
 
  Fill in the blank(s) with correct word

Question 2

What current (in
 
  A) is required to plate out 1.22 g of nickel from a solution of Ni2+ in 0.50 hour?
  A) 65.4
  B) 8.02  103
  C) 2.22
  D) 12.9
  E) 4.46

Question 3

At maximum, an d-subshell can hold ________ electrons.
 
  A) 10
  B) 6
  C) 2
  D) 8
  E) 14

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Answer to Question 1

stratosphere

Answer to Question 2

C

Answer to Question 3

A

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