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An element with molar mass 2.7xx10^(-2) ...

An element with molar mass `2.7xx10^(-2)` kg `"mol"^(-1)` forms a cubic unit cell with edge length 405 pm. If its density is `2.7xx10^(3)` `kgm^(-3)`, what is the nature of the cubic unit cell ?

A

body centred

B

primitive

C

edge centred

D

face centred

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  8. An example of body centred cube is

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  9. The packing fraction for a body centred cube is

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  10. In the body centered cubic unit cell and simple unit cell, the radius...

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  11. In the spinel structur, oxides ions are cubical-closet packed whereas ...

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  12. The most unsysmmetrical and symmeterical systems are, respectively:

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  13. The unit cell with parameter alpha=beta=gamma=90^(@) and a=b ne c is

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  14. The number of atoms present in a hexagonal close-packed unit cell is:

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  15. In corrundum, oxide ions are arranged in hcp arrangement and the alumi...

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  16. A minetal of titanium is found to contain calcium ions at the corners,...

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  17. The number of tetrahedral and octahedral holes in a hexagonal primitiv...

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  18. In an atomic bcc lattie what fraction of edge is not covered by atom...

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  19. A Metal crystallizes in fcc lattice and the edge of the unit cell is 6...

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  20. In which of the following structures, the anion has maximum coordinati...

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