Advertisements
Advertisements
प्रश्न
The coordination number of spheres in the hcp lattice in three dimension is ______.
पर्याय
2
6
4
12
Advertisements
उत्तर
The coordination number of spheres in hcp lattice in three dimension is 12.
APPEARS IN
संबंधित प्रश्न
The density of iron crystal is 8.54-gram cm–3. If the edge length of the unit cell is 2.8 A° and atomic mass is 56 gram mol–1, find the number of atoms in the unit cell. (Given: Avogadro's number = 6.022x1023,1A° = 1x10-8 cm)
The coordination number of atoms in bcc crystal lattice is ______.
Answer the following in brief.
How are the spheres arranged in first layer of simple cubic close-packed structures? How are the successive layers of spheres placed above this layer?
An octahedral void is surrounded by ________.
The number of tetrahedral voids are formed if the number of atoms in a crystal is N/2.
A metal crystallizes in bcc lattice with edge length 4.48 Å. The radius of the metal atom is ___________ Å.
The ratio of close-packed atoms to tetrahedral holes in cubic close packing is ____________.
A metallic element crystallises in simple cubic lattice. If edge length of the unit cell is 3Å, with density 8 g/cc, what is the number of unit cells in 100 g of the metal?
(Molar mass of metal = 108 g/mol)
A compound has fcc structure. If density of unit cell is 3.4 g cm−3, what is the edge length of unit cell?
(Molar mass = 98.99)
Xenon crystallises in fcc lattice and the edge length of unit cell is 620 pm. What is the radius of Xe atom?
The coordination number of each sphere in bcc lattice is ____________.
In two dimensional AAAA type packing, the coordination number of each sphere is ____________.
The coordination number of Rh in the complex [Rh(NH3)3(SCN)3] is ____________.
In ABCABC type arrangement of spheres, the coordination number of any sphere is __________.
Zinc forms hcp structure. What is the number of octahedral voids formed in 0.2 mol of it?
What is the coordination number of cation in ionic compound if the type of hole occupied by cation is octahedral?
Aluminium crystallises in a cubic close-packed structure with a unit cell edge length of 353.6 pm. What is the radius of Al atom? How many unit cells are there in 1.00 cm3 of Al?
What is the coordination number of atoms in bcc crystal lattice?
The coordination number of cobalt in the complex [Co(en)2Br2]Cl2 is ______.
How much vacant space is present in hep crystal lattice?
Predict the type of cubic lattice of a solid element having edge length of 400 pm and density is 6.25 g/ml.
(Atomic mass of element = 60)
If the length of the body diagonal of a FCC unit cell is xÅ, the distance between two octahedral voids in the cell in Å is ______.
The number of nearest neighbours in a bcc unit cell is ______.
A metallic crystal crystallizes into a lattice containing a sequence of layers AB AB AB......Any packing of spheres leaves out voids in the lattice. What percentage of volume of this lattice is empty space?
What is the minimum number of spheres required to develop an octahedral void?
