Advertisements
Advertisements
Question
Answer the following in one or two sentences.
Sketch a tetrahedral void.
Solution
Tetrahedral void:
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)
Choose the most correct answer.
In crystal lattice formed by bcc unit cell, the void volume 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 ________.
In hexagonal close packed (hep) structure, ____________ layer and ____________ layer have horizontal and vertical alignment.
A metal crystallizes in bcc lattice with edge length 4.48 Å. The radius of the metal atom is ___________ Å.
An element crystallises in a bee lattice with cell edge of 500 pm. The density of the element is 7.5 g cm-3. How many atoms are present in 300 g of metal?
The ratio of close-packed atoms to tetrahedral holes in cubic close packing is ____________.
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 Rh in the complex [Rh(NH3)3(SCN)3] is ____________.
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?
A metallic element crystallizes 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 108 g of the metal?
(Molar mass of metal = 100 g/mol)
Percentages of free space in cubic close-packed structure and in the body-centered packed structure are respectively ______.
Which metal crystallises in a simple cubic structure?
Which among the following metals crystallise as a simple cube?
The coordination number of cobalt in the complex [Co(en)2Br2]Cl2 is ______.
The number of octahedral sites per sphere in ccp structure 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)
