The correct option for the number of body centred unit cells in all 14 types of Bravais lattice unit cells is :
1. 2
2. 3
3. 7
4. 5
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn element has a body-centered cubic (BCC) structure with a cell edge of 288 pm. The atomic radius is:
1. pm
2. pm
3. pm
4. pm
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf a is the length of the side of a cube, the distance between the body-centered atom and one corner atom in the cube will be:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe number of carbon atoms per unit cell of a diamond is:
1. 8
2. 6
3. 1
4. 4
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyLithium metal crystallizes in a body-centered cubic crystal. If the length of the side of the unit cell of lithium is 351 pm, the atomic radius of the lithium will be:
1. 240.8 pm
2. 151.8 pm
3. 75.5 pm
4. 300.5 pm
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor a cubic crystal structure, which one of the following relations indicating the cell characteristic is correct?
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCsBr crystallises in a body-centered cubic lattice. The unit cell length is 436.6 pm. Given that the atomic mass of Cs = 133 amu and that of Br = 80 amu and the Avogadro number being 6.02×1023 mol-1, the density of CsBr is:
1. 42.5
2. 0.425
3. 8.25
4. 4.25
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe number of atoms per unit cell in a BCC structure is:
1. 9
2. 4
3. 2
4. 1
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe cations and anions are arranged in an alternate form in:
1. Metallic crystal
2. Ionic crystal
3. Co-valent crystal
4. Semi-conductor crystal
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA cube of a crystal has an A-atom placed at every corner and B-atom placed at every centre of face. The formula of the compound is:
1. AB
2. AB3
3. A2B2
4. A2B3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology