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An element having a density 11.2"g cm"^(...

An element having a density `11.2"g cm"^(-3)` forms a fcc lattice with edge of `4xx10^(-3)` cm. Calculate the atomic mass of the element.

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Density of a unit cell is respresented as rho = (" Effective no. of atoms (s)" xx "Mass of a unit cell ")/("Volume of a unit cell ")=(Z.M)/(N_(A).a^(3)) where , mass of unit cell =mass of effectuive no . of atoms(s) or ion (s). M= At . mass// formula N_(A) = Avogadro' s no . rArr 6.0323 xx 10^(23) a= edge lemght of unit cell An element crystallizes in a structure having fcc unit cell of an edge 200 pm . Calculate the density , if 100 g of this element contains 12xx10^(23) atoms :

BETTER CHOICE PUBLICATION-THE SOLID STATE-Numerical Problems
  1. An element crystallizes in a structure having fcc unit cell of edge 30...

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  2. An element crystallizes in a structure having fcc unit cell of edge 30...

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

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  4. A cubic solid made up of two elements A and B. Atoms A are present at ...

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  5. Copper crystallizes in a face centred cubic lattice. Calculate the num...

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  6. A face centered cubic element (atomic mass =60) has edge length of 400...

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  7. The density of KBr is 2.75"gm cm"^(-3). The edge length of unit cell i...

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  8. The density of chromium metal is 7.2"g cm"^(-3). If the unit cell is c...

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  9. An element having bcc geometry has atomic mass 50u. Calculate the dens...

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  10. An element (at mass 60) havind FCC structure has a density of 6.23"g c...

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  11. The compound CuCl has ZnS structure and the edge length of its unti ce...

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  12. An element having a density 11.2"g cm"^(-3) forms a fcc lattice with e...

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  13. An element having bcc geometry has atomic mass 50. Calculate the densi...

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  14. An element has a body-centred cubic (bbc) structure with a cell edge o...

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  15. An element has a body-centred cubic (bbc) structure with a cell edge o...

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  16. An element has density 6xx8"g cm"^(-3) occurs in bcc structure with ce...

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

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  18. The two ions A^(+)&B^(-) have radii 88 pm and 200 pm, respectively. In...

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  19. If the radius of Na^(+) ion is 95 p m and that of Cl^(-) ion is 181 p ...

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  20. In a metallic oxide, oxide ions are arranged in cubic close packing. O...

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