Author Question: How many chloride ions (Cl-1) are needed to balance the positive charge of a barium ion (Ba+2)? ... (Read 134 times)

TVarnum

  • Hero Member
  • *****
  • Posts: 548
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

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

For a complete list of videos, visit our video library