This topic contains a solution. Click here to go to the answer

Author Question: What is the number of outer shell electrons in fluorine? A) 2 B) 5 C) 7 D) ... (Read 45 times)

lb_gilbert

  • Hero Member
  • *****
  • Posts: 588
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kardosa007

  • Sr. Member
  • ****
  • Posts: 300
Answer to Question 1

C

Answer to Question 2

A




lb_gilbert

  • Member
  • Posts: 588
Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)


deja

  • Member
  • Posts: 332
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

For a complete list of videos, visit our video library