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An Ionic Compound of Iron and Sulfur Has a Crystal

Question 60

Multiple Choice

An ionic compound of iron and sulfur has a crystal structure in which sulfide ions create an fcc lattice and iron ions occupy half of the available tetrahedral holes.What is the empirical formula of the compound?


A) FeS2
B) FeS
C) Fe2S3
D) Fe3S4
E) More information is needed.

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