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Example of unit cell with crystallograph...

Example of unit cell with crystallographic diamensions `a!=b!=c,alpha=gamma=90^(@),beta!=90^(@)` is

A

Monoclinic sulphur

B

Graphite

C

Rhombic sulphur

D

Calcite

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Identify the crystal systems which have the following crystall ographic dimensions.Give one example for each. a!=b!=c alpha=beta=gamma=90^@ , a=b!=c alpha=beta=90^@ gamma=120^@

The unit cell dimension of a particular crystal system is a=b=c, alpha=beta=gamma=90 , identifiy the crystal system.

Assertion : Graphite is an example of tetragonal crystal system. Reason : For a tetragonal system, a=bnec,alpha=beta=90^(@),gamma=120^(@) .

The unit cell dimensions of a particular crystal system is given below a=b=c, alpha=beta=gamma != 90^@ Identify the crystal system.

The unit cell dimensions of a particular crystal system is given below. a=b=c,alpha=beta=gamma !=90^@ .In a crystalline solid, the atom A are arranged in CCP array and atom B occupy all the octahedral voids and half of the tetrahedral voids. What is the formula of the compound ?

A cubic unit cell is characterised by a=b=c and alpha=beta=gamma=90^@ . Name the three important types of cubic unit cells.

A cubic unit cell is characterised by a=b=c and alpha=beta=gamma=90^@ . Calculate the number of atoms in one unit cell in the above three cases.

The crystal system of a compound with unit cell diemension a=0.387,b=0.387 and c=0.504nm alpha=beta=90^0 anb gamma=120^0

Unit cells can be broadly classified into 2 categories primitive and centred unit cells. The unit cell dimension of a particular crystal system is a = b = c and alpha = beta = gamma = 90°. Identify the crystal system.

The folowing diagram shows the arrangement of lattice points with a=b=c and alpha=beta=gamma=90^(@) . Choose the correct options.

BRILLIANT PUBLICATION-SOLID STATE-QUESTION (LEVEL -II)
  1. Most unsymmetrical and symmetrical systems are respectively

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  2. Example of unit cell with crystallographic diamensions a!=b!=c,alpha=g...

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  3. On cooling oxygen freezes to dark blue crystalline solid. It belongs t...

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  4. How many nearest and next nearest neighbours respectively does potassi...

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  5. The fraction of the total volume occupied by the atoms present in a si...

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  6. If 'a' stands for the edge length of the cubic systems : Simple cubic,...

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  7. A solid element X forms cubic in which the atoms occupy each corner, t...

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  8. The percentage of vacant space in one layer of square packing of spher...

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  9. In a cubic close packed structure of mixed oxides, the lattice is com...

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  10. The packing efficiency of the two dimensional square unit cell shown i...

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  11. A crystal is made of particles X,Y and Z. X forms fcc packing. Y occup...

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  12. Density of solid Argon at 40 K is1.65g/mL. If the radius of Argon atom...

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  13. How many unit cells are present in a cube shaped ideal crystal of NaCl...

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  14. The distance between an octahedral and tetrahedral void in fcc lattie ...

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  15. If the unit cell of a material has cubic close packed array of oxygen ...

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  16. Each rubidium halide crystallizing in the NaCl type lattice has a unit...

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  17. An element crystallises in fcc lattice having edge length 400 pm. What...

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  18. A compound A^(+)B^(-) has rock salt type structure. The formula mass o...

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  19. KCl crystalizes in the same type of lattice as does NaCl and CsF in th...

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  20. In diamond, carbon atoms occupy fcc lattice points as well as alternat...

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