# Problem: Calcium has a cubic closest packed structure as a solid. Assuming that calcium has an atomic radius of 197 pm, calculate the density of solid calcium.

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###### FREE Expert Solution

Step 1 Determine mass

mass = 2.6621x10-22 g/unit cell

Step 2 Determine volume

volume = 1.723x10-22 cm3

###### Problem Details

Calcium has a cubic closest packed structure as a solid. Assuming that calcium has an atomic radius of 197 pm, calculate the density of solid calcium.