In an Ionic Compound of Cobalt and Fluorine, Fluoride Ions

question 153

Multiple Choice

In an ionic compound of cobalt and fluorine, fluoride ions adopt a closest-packed structure with cobalt ions in one half of the octahedral holes.What is the empirical formula of the compound?

• A)Co₃F
• B)Co₂F₃
• C)CoF₂
• D)Co₂F
• E)More information is needed.