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Author Question: How many chloride ions (Cl-1) are needed to balance the positive charge of a barium ion (Ba+2)? ... (Read 159 times)

TVarnum

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on: Jul 29, 2018
How many chloride ions (Cl-1) are needed to balance the positive charge of a barium ion (Ba+2)?
 
  A) 2
  B) 1
  C) -2
  D) -1
  E) 3

Question 2

Which are closer together: the two nuclei within potassium fluoride, KF, or the two nuclei within molecular fluorine, Image?
 
  A) KF
  B) Image
  C) Both are the same. Any atom bonded to F will have the same inter-nuclear separation.
  D) It makes little sense to compare two molecules which exist in different physical states. KF is a solid while Image is a gas.


Hikerman221

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B


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TVarnum

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Reply #2 on: Jul 29, 2018
Thank you!


Hikerman221

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Reply #3 on: Jul 29, 2018
Always glad to help...


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