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Author Question: What is the number of outer shell electrons in fluorine? A) 2 B) 5 C) 7 D) ... (Read 69 times)

lb_gilbert

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on: Aug 27, 2018
What is the number of outer shell electrons in fluorine?
 
  A) 2
  B) 5
  C) 7
  D) 9

Question 2

Why might helium be present only in small amounts in the atmosphere?
 
  A) It is so light that it can escape the atmosphere.
  B) It is not found much in nature.
  C) It is not produced in nuclear transformations.
  D) It is too reactive and is quickly converted into minerals.
  E) none of the above


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kardosa007

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

C

Answer to Question 2

A


lb_gilbert

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Reply 2 on: Aug 27, 2018
:D TYSM

LVPMS

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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