Iron(II)sulfide Has a Primitive Cubic Unit Cell with Sulfide Ions

question 35

Multiple Choice

Iron(II) sulfide has a primitive cubic unit cell with sulfide ions at the lattice points.The ionic radii of iron(II) ions and sulfide ions are 88 pm and 184 pm,respectively.What is the density of FeS (in g/cm³) ?

• A) 2.56 g/cm³
• B) 4.71 g/cm³
• C) 5.25 g/cm³
• D) 6.66 g/cm³
• E) 8.97 g/cm³

---

Definitions:

Willingness To Pay

The maximum amount of money a consumer is prepared to spend to obtain a good or service.

Communications Network

A system of interconnected devices or nodes that can communicate with each other to exchange data and information.

Consumer Type

A classification of individuals based on their consumption patterns, preferences, or demographic characteristics.

Willingness To Pay

The maximum amount a consumer is prepared to pay for a good or service.