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At room temperature, polonium crystallises in a cubic primitive cell. If the edge length is 3.0 A∘, calculate the theoretical density of Po. (Atomic weight of Po=207 g)

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Important Questions on Solid State

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Chemistry Crash Course JEE Main>Chapter 21 - Solid State>Level 1>Q 13
The intermetallic compound LiAg crystallizes in the cubic lattice in which both lithium and silver have a coordination number of eight. The crystal class is
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Chemistry Crash Course JEE Main>Chapter 21 - Solid State>Level 1>Q 14
A solid has a structure in which 'W' atoms are located at the corner of a cubic lattice, 'O' atoms at the centre of edges and 'Na ' atoms at the centre of the cube. The formula for the compound is:
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Chemistry Crash Course JEE Main>Chapter 21 - Solid State>Level 1>Q 15
The number of unit cells in 58.8 g of NaCl is nearly
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IMPORTANT
Chemistry Crash Course JEE Main>Chapter 21 - Solid State>Level 1>Q 16
Containing a layer sequence AB AB AB..., metallic crystal crystallizes into a lattice. In the lattice, a void is left out by any packing of spheres. In the volume of this lattice, what percentage is empty space?
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Chemistry Crash Course JEE Main>Chapter 21 - Solid State>Level 1>Q 17
A compound alloy of gold and Cu crystallizes in a cubic lattice in which the gold atoms occupy the lattice points at the corners of a cube and the copper atoms occupy the centres of each of the cube faces. What is the empirical formula of this compound?
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Chemistry Crash Course JEE Main>Chapter 21 - Solid State>Level 1>Q 18
The decreasing order of density of different crystals is
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Chemistry Crash Course JEE Main>Chapter 21 - Solid State>Level 1>Q 19
The atomic radius in a face-centred cubic cell is 
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IMPORTANT
Chemistry Crash Course JEE Main>Chapter 21 - Solid State>Level 1>Q 20
The fraction of the total volume occupied by the atoms in a simple cube is