Problem: Calcium crystallizes in a cubic closest packed structure. If the atomic radius of calcium is 197 pm, find the density of the solid.

🤓 Based on our data, we think this question is relevant for Professor Yuwanita's class at SJSU.

FREE Expert Solution

(1) Calculate the edge length

a = 22 ·ra = 22 ·197 pm(1x10-12 m1 pm)(1 cm1x10-2 m)

a = 5.57x 10-8 cm


(2) Calculate the volume in cm3


Volume = a3Volume = 5.57 x 10-8 cm3

Volume = 1.73x10-22 cm3

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Problem Details

Calcium crystallizes in a cubic closest packed structure. If the atomic radius of calcium is 197 pm, find the density of the solid.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Unit Cell concept. You can view video lessons to learn Unit Cell. Or if you need more Unit Cell practice, you can also practice Unit Cell practice problems.

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Based on our data, we think this problem is relevant for Professor Yuwanita's class at SJSU.

What textbook is this problem found in?

Our data indicates that this problem or a close variation was asked in Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition. You can also practice Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition practice problems.