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Both diamond and rhombic sulphur are cov...

Both diamond and rhombic sulphur are covalent solids but the latter has very low melting point than the former. Explain why?

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MODERN PUBLICATION-SOLID STATE-EXERCISE
  1. Both diamond and rhombic sulphur are covalent solids but the latter ha...

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  2. A unit cell consists of a cube in which there are A atoms at the corne...

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  3. A compound X and Y crystallises in the cubic structure in which Y atom...

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  4. Gold cystallises in the face cubic lattice. Calculate the approximate ...

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  5. Xenone crystallizes in the face centred cubic lattice and the edge of ...

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  6. The length of the unit cell edge of a body centred cubic metal crystal...

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  7. Calculate the atomic radius of elementary silver which crsytallises in...

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  8. A solid has a structure in which W atoms are present at the corners of...

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  9. Tungsten crystallizes in a body centred cubic lattice. Calculate the n...

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  10. Copper cystalizes in a face centred cubic lattice. Calculate the numbe...

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  11. Gold (atomic radius=0.144nm) crystallises in a face-centred unit cell ...

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  12. In a face centred cubic arangement of A and B atoms, A atoms occupy th...

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  13. The atomic radii of Cs^+ and Cl^- are 1.69 oversetcircA and 1.81 overs...

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  14. A solid has NaCl structure. If the radius of cation A is 100 pm. What ...

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  15. If the radius of Br^- ions is 0.182 nm, how large a cation can fit in ...

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  16. A compound is formed by two elements X and Y. Atoms of the element Y (...

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  17. A compound is formed by two elements in M and N. The element N forms c...

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  18. In a crystalline solid, anions Y are arranged in ccp arrangement. Cati...

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  19. In a solid, oxide ions are aranged in ccp. One sixth of the tetrahedra...

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

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  21. An element crystallines in a f.c.c lattice with cell edge of 400 pm. T...

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