Sodium metal crystallizes in body Centedrd cubic lattice with a unit cell edge of 4.29 A. The radius of sodium atom is approximately
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The correct statements for cubic close packed (ccp) three dimensional structure is(are ) (a) The number of the neraest neighbours of an atom present in the topmost layers is 12 (b) The efficiency of atom packing is 74%
10
Feb
The correct statements for cubic close packed (ccp) three dimensional structure is(are ) (a) The number of the neraest neighbours of an atom present in the topmost layers is 12 (b) The efficiency of atom packing is 74% Sodium metal crystallizes in body Centedrd cubic lattice with a unit cell edge of 4.29 A. The [...]
The correct statement (s) regarding defects in soilds is (are) (a) Frenkel defect is usually favoured by a very small difference in the sizes of catrion and anion (b) Frenkel defect is a dislocation defect (c) Trapping of an erlectron in the lattice leads to the formation of F- centre (d) Schottky defects have no effect on the physical properties of solids.
10
Feb
The correct statement (s) regarding defects in soilds is (are) (a) Frenkel defect is usually favoured by a very small difference in the sizes of catrion and anion (b) Frenkel defect is a dislocation defect (c) Trapping of an erlectron in the lattice leads to the formation of F- centre (d) Schottky defects have no [...]
Which of the following statements are correct (a) A NaCl type AB crystal lattice can be interpreted made up of two individual FCC type unit lattice of A^+ and B^- fused together ion such a manner that the corner of one unit lattice becomes the edge centre of the other
10
Feb
Which of the following statements are correct (a) A NaCl type AB crystal lattice can be interpreted made up of two individual FCC type unit lattice of A^+ and B^- fused together ion such a manner that the corner of one unit lattice becomes the edge centre of the other Sodium metal crystallizes in body [...]
A bcc lattice is made up of hollow spheres of B. Spheres of solids A are present in hollow spheres of B. The radius of A is half of the radius of B. The ratio of total volume of spheres of B unoccupied by A in a unit cell and volume of unit cell is A× pie root3/64 . Find the value of A.
10
Feb
A bcc lattice is made up of hollow spheres of B. Spheres of solids A are present in hollow spheres of B. The radius of A is half of the radius of B. The ratio of total volume of spheres of B unoccupied by A in a unit cell and volume of unit cell is [...]
Which of the following statement(s) is (are) correct (a) The coordination number of each type of ion in CsCl crystal is 8 (b) Ametal that crystallizes in bcc structure has a coordintaion number of 12 (c) A unit cell of an ionic crystal shares some of its ions with other unit cells
10
Feb
Which of the following statement(s) is (are) correct (a) The coordination number of each type of ion in CsCl crystal is 8 (b) Ametal that crystallizes in bcc structure has a coordintaion number of 12 (c) A unit cell of an ionic crystal shares some of its ions with other unit cells Sodium metal crystallizes [...]
Identify the correct statement(s) (a) CsCl changes to NaCl structure on heating (b) NaCl changes to CsCl structure on applying pressure (c) Coordination number decreases on applying pressure (d) Coordination number increases on heating
10
Feb
Identify the correct statement(s) (a) CsCl changes to NaCl structure on heating (b) NaCl changes to CsCl structure on applying pressure (c) Coordination number decreases on applying pressure (d) Coordination number increases on heating Sodium metal crystallizes in body Centedrd cubic lattice with a unit cell edge of 4.29 A. The radius of sodium atom [...]
Sodium metal crystallizes in body Centedrd cubic lattice with a unit cell edge of 4.29 A. The radius of sodium atom is approximately
10
Feb
Sodium metal crystallizes in body Centedrd cubic lattice with a unit cell edge of 4.29 A. The radius of sodium atom is approximately Sodium metal crystallizes in body Centedrd cubic lattice with a unit cell edge of 4.29 A. The radius of sodium atom is approximately February 10, 2021 Category: Uncategorised (JEE Advanced Physics by [...]