Author Question: How many chloride ions (Cl-1) are needed to balance the positive charge of a barium ion (Ba+2)? ... (Read 179 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?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

For a complete list of videos, visit our video library