Silicon crystallises in fcc lattice, a s...

Silicon crystallises in fcc lattice, a single crystal of high purity like diamond. Gram atomic weight of silicon is 28 g `mol^(-1)`. Edge length of unit cell is 0.543nm. Calculate the number of silicon atoms per unit cell and density of unit cell.

Text Solution

Verified by Experts

`8,2.33 g cc^(-1)`

Topper's Solved these Questions

SOLID STATE
AAKASH SERIES|Exercise PROBLEM|16 Videos
SOLID STATE
AAKASH SERIES|Exercise SUBJECTIVE EXERCISE -1(VERY SHORT ANSWER QUESTIONS)|9 Videos
SOLID STATE
AAKASH SERIES|Exercise EXERCISE 2.1.4|10 Videos
REVISION EXERCISE
AAKASH SERIES|Exercise COMPLEX COMPOUNDS|47 Videos
SOLIDS STATE
AAKASH SERIES|Exercise PRACTICE EXERCISE|63 Videos

Similar Questions

Explore conceptually related problems

Silicon crystallises in foc lattice, a single crystal of high purity like diamond. Gram atomic weight of silicon is 28 g mol^(-) . Edge length of unit cell is 0.543nm. Calculate the number of silicon atoms per unit cell and density of unit cell.

The number of carbon atoms per unit cell of diamond unit cell is

The density of Cr atoms is 7.2 g/cm. If the unit cell has edge length 289 pm. Calculate the number of chromium atoms per unit cell (at mass of Cr = 52)

The density of KBr is 2.73 g/cm. The length of the unit cell is 654 pm. Find the number of molecules per unit cell in the cubic structure.

Define "lattice energy" of crystals. Calculate the number of sodium ions and chloride ions per unit cell of NaCl.

In case of diamond that follows ZnS structure, the number of carbon atoms per unit cell is _______

A metal crystallises in fcc lattice with edge length of unit cell 3.5 A^(0) and also in bcc lattice with edge length of unit cell 3A^(0) . Calculate the ratio of the densities of fcc and bcc lattices.

Copper crystallises in a f.c.c. lattice, the length of the unit cell is 3.63 Å . The radius of Cu-atom is:

Density of silver is 10.5 g cc^(-1) Calculate the edge length of the unit cell of silver.

AAKASH SERIES-SOLID STATE-EXERCISE 2.2

Density of silver is 10.5 g cc^(-1) Calculate the edge length of the u...
Text Solution
|
Density of potassium is 2.64 xx 10^(6) g m^(-3). What is the radius of...
Text Solution
|
Silicon crystallises in fcc lattice, a single crystal of high purity l...
Text Solution
|
In a close packed structure of mixed oxide, the lattice is composed of...
Text Solution
|
A metal crystallises in two phases, one as fcc and other as bcc with u...
Text Solution
|
Metallic chromium crystallises in bee lattice. The edge length of unit...
Text Solution
|
For a cubic lattice edge length of unit cell is 5A^(0) and density is ...
Text Solution
|
What is the ratio of lengths of face edge, face diagonal and body diag...
Text Solution
|
Which of the crystal structures has no symmetry elements? Why?
Text Solution
|
The interplanar distance in a crystal used for X - ray diffraction is ...
Text Solution
|
An alloy is made up of metals X and Y. Atoms of X are in ccp arrangeme...
Text Solution
|
An element crystallises in the fee lattice having edge length 400 pm. ...
Text Solution
|
In a compound AB, the ionic radii of A^(+) and B^(-) are 88 pm and 200...
Text Solution
|
Edge length of unit cell of KCI is 629 pm and density is 1.989 g cc^(...
Text Solution
|
Analysis shows that nickel oxide has the formula Ni^(0.98) 0 ,1.00 , w...
Text Solution
|
NH(4) X1 crystallises in bee lattice with edge length 383 pm. If the r...
Text Solution
|
Discuss the non-stoichiometric imperfections in crystalline solid subs...
Text Solution
|
During the crystallisation one fourth mole of Cu(2) CI(2) in molten st...
Text Solution
|
Solids containing F-centres are paramagnetic and coloured. Why?
Text Solution
|
Differentiate between intrinsic semiconductors and extrensic semicondu...
Text Solution
|