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Questions and Answers
Which of the following crystal structures has the lowest packing density?
Which of the following crystal structures has the lowest packing density?
- Hexagonal Close-Packed
- Simple Cubic (correct)
- Body-Centered Cubic
- Face-Centered Cubic
What is the coordination number of atoms in a simple cubic crystal structure?
What is the coordination number of atoms in a simple cubic crystal structure?
- 8
- 4
- 12
- 6 (correct)
Which crystal structure has a single atom at the center of the unit cell?
Which crystal structure has a single atom at the center of the unit cell?
- Hexagonal Close-Packed
- Face-Centered Cubic
- Body-Centered Cubic (correct)
- Simple Cubic
What is the atomic packing factor (APF) of the body-centered cubic (BCC) crystal structure?
What is the atomic packing factor (APF) of the body-centered cubic (BCC) crystal structure?
Which crystal structure is associated with BCC iron?
Which crystal structure is associated with BCC iron?
What is the modulus of elasticity (E) for BCC iron?
What is the modulus of elasticity (E) for BCC iron?
Which crystal system is completely defined by 6 parameters, including the 3 edge lengths and the 3 interaxial angles?
Which crystal system is completely defined by 6 parameters, including the 3 edge lengths and the 3 interaxial angles?
What are the Miller indices for a plane with intercepts of (2a, 0, c/∞)?
What are the Miller indices for a plane with intercepts of (2a, 0, c/∞)?
Which crystal structure has a coordination number of 12?
Which crystal structure has a coordination number of 12?
Which crystal structure has a stacking sequence of ABCABC?
Which crystal structure has a stacking sequence of ABCABC?
Which crystal structure has an Atomic Packing Factor (APF) of 0.74?
Which crystal structure has an Atomic Packing Factor (APF) of 0.74?
What is the density of Chromium (Cr) with a BCC crystal structure?
What is the density of Chromium (Cr) with a BCC crystal structure?
Which crystal structures are commonly found in metallic materials?
Which crystal structures are commonly found in metallic materials?
What does the diffraction angle, θ, in X-ray diffraction allow computation of?
What does the diffraction angle, θ, in X-ray diffraction allow computation of?
What is the purpose of X-ray diffraction analysis?
What is the purpose of X-ray diffraction analysis?
What is the suitable radiation for X-ray diffraction?
What is the suitable radiation for X-ray diffraction?
Which type of materials have atoms arranged in periodic, 3D arrays?
Which type of materials have atoms arranged in periodic, 3D arrays?
What is the difference in atomic arrangement between crystalline and noncrystalline solids?
What is the difference in atomic arrangement between crystalline and noncrystalline solids?
What is crystallography?
What is crystallography?
Which type of atomic arrangement occurs for complex structures and rapid cooling?
Which type of atomic arrangement occurs for complex structures and rapid cooling?
Which of the following is true about Miller Indices?
Which of the following is true about Miller Indices?
What is the formula for linear density of atoms?
What is the formula for linear density of atoms?
What is the formula for planar density of atoms?
What is the formula for planar density of atoms?
What is the Bragg Equation?
What is the Bragg Equation?
Which one of the following statements is true about atomic and planar densities?
Which one of the following statements is true about atomic and planar densities?
Which one of the following statements is true about properties of single crystals?
Which one of the following statements is true about properties of single crystals?
Which one of the following statements is true about properties of polycrystalline materials?
Which one of the following statements is true about properties of polycrystalline materials?
Which one of the following statements is true about polymorphism in materials?
Which one of the following statements is true about polymorphism in materials?
Which technique is used for crystal structure and interplanar spacing determinations?
Which technique is used for crystal structure and interplanar spacing determinations?
What is the volume of the unit cell of lead in cubic meters, given that its atomic radius is 0.175 nm?
What is the volume of the unit cell of lead in cubic meters, given that its atomic radius is 0.175 nm?
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