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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Bravais Lattices

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Which of the following is a characteristic of a face-centered cubic (FCC) crystal structure?

a: Atoms are located only at the corners of the cube Explanation

Explanation

b: Atoms are located at the corners and at the center of the cube Explanation

Explanation

c: Atoms are located at the corners and at the center of each face Explanation

Explanation

d: Atoms are located only at the center of the cube Explanation

Explanation

What is the coordination number of a simple cubic (SC) crystal structure?

a: 4 Explanation

Explanation

b: 6 Explanation

Explanation

c: 8 Explanation

Explanation

d: 12 Explanation

Explanation

What fraction of an atom at a corner of a unit cell belongs to that cell?

a: 1/2 Explanation

Explanation

b: 1/4 Explanation

Explanation

c: 1/8 Explanation

Explanation

d: 1 Explanation

Explanation

What is the relationship between the atomic radius (r) and the edge length (a) in a body-centered cubic (BCC) crystal structure?

a: a = 2r Explanation

Explanation

b: a = 4r/√3 Explanation

Explanation

c: a = √2 * r Explanation

Explanation

d: a = r Explanation

Explanation

Which crystal structure is known for having the lowest packing efficiency?

a: Face-centered cubic Explanation

Explanation

b: Body-centered cubic Explanation

Explanation

c: Simple cubic Explanation

Explanation

d: Hexagonal close-packed Explanation

Explanation

How many atoms are present in a single unit cell of a face-centered cubic (FCC) structure?

a: 1 Explanation

Explanation

b: 2 Explanation

Explanation

c: 4 Explanation

Explanation

d: 8 Explanation

Explanation

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