Question

1. Iron (Fe) crystallizes in a body-centered cubic structure with a lattice constant of 0.287 nm:

1. Use drawing to show how the iron atoms are packed in the unit cell. How many iron atoms are contained in each unit cell?        
2. Use drawings to show how the iron atoms are arranged on the (100) and (110) planes.                   
3. Determine the density of iron (g/cm³⁾ by dividing the total mass of iron atoms in the unit cell by the volume of the unit cell. The atomic mass of iron is 55.845 amu and the Avogadro’s number is 6.02x10²³

                    

Answer 1

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