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Class 12 Chemistry Practice Test: Crystal Lattices and Unit Cells
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Class 12 Chemistry Practice Test: Crystal Lattices and Unit Cells
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15 Questions

1. How many parameters are used to characterize a unit cell?
2. If a metal forms a FCC lattice with unit edge length 500 pm. Calculate the density of the metal if its atomic mass is 110.
3. What is the radius of a metal atom if it crystallizes with body-centered lattice having a unit cell edge of 333 Pico meter?
4. Which of the following is regarded as the ‘repeatable entity’ of a 3D crystal structure?
5. Which of the following possess anisotropic nature within their structure?
6. Which of the following possess anisotropic nature within their structure?
7. Atoms of element X form a BCC and atoms of element Y occupy 3/4th of the tetrahedral voids. What is the formula of the compound?
8. A compound is formed by atoms of elements A occupying the corners of the unit cell and an atom of element B present at the center of the unit cell. Deduce the formula of the compound.
9. Which of the following unit cells has constituent particles occupying the corner positions only?
10. If a crystal lattice has 6 closed-pack spheres, what the number of tetrahedral voids in the lattice?
11. If a crystal lattice has 6 closed-pack spheres, what the number of tetrahedral voids in the lattice?
12. Which of the following arrangements of particles does a simple cubic lattice follow?
13. A compound is formed by atoms of elements A occupying the corners of the unit cell and an atom of element B present at the center of the unit cell. Deduce the formula of the compound.
14. If the aluminum unit cell exhibits face-centered behavior then how many unit cells are present in 54g of aluminum?
15. Which of the following is regarded as the ‘repeatable entity’ of a 3D crystal structure?

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