Problem: The density of solid Cr is 7.15 g/cm3. How many atoms are present per cubic centimeter of Cr? in atoms/cm^3As a solid, Cr adopts a body-centered cubic unit cell. How many unit cells are present per cubic centimeter of Cr? in unit cells/cm^3What is the volume of a unit cell of this metal? in cm^3What is the edge length of a unit cell of Cr? in cm

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

FREE Expert Solution

We’re asked to determine:

a) number of atoms present per cubic centimeter of Cr (atoms/cm3)

b) number of unit cells present per cubic centimeter of Cr (unit cell/cm3)

c) volume of a unit cell of this metal (in cm3)

d) edge length of a unit cell of Cr (in cm)


Cr body-centered cubic (BCC) unit cell:

  • cube with one atom at each of its corners and one atom at the center of the cube

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Problem Details

The density of solid Cr is 7.15 g/cm3. How many atoms are present per cubic centimeter of Cr? in atoms/cm^3

As a solid, Cr adopts a body-centered cubic unit cell. How many unit cells are present per cubic centimeter of Cr? in unit cells/cm^3

What is the volume of a unit cell of this metal? in cm^3

What is the edge length of a unit cell of Cr? in cm

Frequently Asked Questions

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.

What professor is this problem relevant for?

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