MISSED THIS? Watch KCV 12.5; Read Section 12.5. You can click on the Review link to access the section in your eText. The unit cells for cesium bromide and strontium chloride are shown below. The Cl atoms occupy position(s) inside the unit cell, giving Cl atom(s)/unit cell. The Sr atoms occupy corner position(s) and face-centered position(s) of the unit cell, giving Sratoms(s)/unit cell. The ratio of SrCl atoms is which reduces to