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What is unit cell ? Write formula to cal...

What is unit cell ? Write formula to calculate the density of a unit cell.

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The density of a unit cell can be calculated with the help of the relation :
`rho=(ZxxM)/(a^(3)xxN_(0))`
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The formula for determination of density of unit cell is

Density of a unit cell is same as the density of the substance. If the density of the substance is known, number of atoms or dimensions of the unit cell can be calculated . The density of the unit cell is related to its mass(M), no. of atoms per unit cell (Z), edge length (a in cm) and Avogadro number N_A as : rho = (Z xx M)/(a^3 xx N_A) An element crystallizes in a structure having a fcc unit-cell an edge 100 pm. If 24 g of the element contains 24 xx 10^(23) atoms, the density is

Density of a unit cell is same as the density of the substance. If the density of the substance is known, number of atoms or dimensions of the unit cell can be calculated . The density of the unit cell is related to its mass(M), no. of atoms per unit cell (Z), edge length (a in cm) and Avogadro number N_A as : rho = (Z xx M)/(a^3 xx N_A) A metal X (at. mass = 60) has a body centred cubic crystal structure. The density of the metal is 4.2 g cm^(-3) . The volume of unit cell is

Density of a unit cell is same as the density of the substance. If the density of the substance is known, number of atoms or dimensions of the unit cell can be calculated . The density of the unit cell is related to its mass(M), no. of atoms per unit cell (Z), edge length (a in cm) and Avogadro number N_A as : rho = (Z xx M)/(a^3 xx N_A) The number of atoms present in 100 g of a bcc crystal (density = 12.5 g cm^(-3)) having cell edge 200 pm is

How is simple cubic unit cell formed ? Calculate the number of atoms in a simple unit cell.

(a) NaCl has fcc structure. Calculate the number of NaCl units in a unit cell of NaCl. (b) Calculate the density of NaCl if edge length of NaCl unit cell is 564 pm. (Molar mass of NaCl = 58.5 g mol^(-1))

The formula for determination of density of cubic unit cell is :

An element A (Atomic weight =100 ) having b.c.c. structures has unit cell edge length 400 pm. Calculate the density of A. number of unit cells and number of atoms in 10 g of A.

DINESH PUBLICATION-SOLID STATE-QUESTION FROM BOARD EXAMINATION
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