Advertisements
Advertisements
Question
An octahedral void is surrounded by ________.
Options
4 spheres
3 spheres
8 spheres
6 spheres
Advertisements
Solution
An octahedral void is surrounded by 6 spheres.
APPEARS IN
RELATED QUESTIONS
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 ______.
Choose the most correct answer.
A compound forms hcp structure. Number of octahedral and tetrahedral voids in 0.5 mole of substance is respectively _______.
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?
How are tetrahedral and octahedral voids formed?
Third layer of spheres is added to second layer so as to form hcp or ccp structure. What is the difference between the addition of third layer to form these hexagonal close-packed structures?
The coordination number of spheres in the hcp lattice in three dimension is ______.
The number of tetrahedral voids are formed if the number of atoms in a crystal is N/2.
The number of octahedral voids formed in 0.5 mol of a compound forming hcp structure?
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)
The coordination number of Rh in the complex [Rh(NH3)3(SCN)3] is ____________.
Zinc forms hcp structure. What is the number of tetrahedral voids formed in 0.3 mol of it?
In ABCABC type arrangement of spheres, the coordination number of any sphere is __________.
Which of the following has hcp crystal structure?
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 cubic?
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?
The coordination number of cobalt in the complex [Co(en)2Br2]Cl2 is ______.
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)
Calculate the total number of tetrahedral and octahedral voids formed in 0.6 mol of a compound if it forms hcp structure.
Find the total number of tetrahedral and octahedral voids formed in 1 mole of a compound forming hcp structure.
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 ______.
Calculate the volume occupied by a particle in a simple cubic unit cell if the volume of the unit cell is 5.5 × 10−22 cm3.
