Advertisements
Advertisements
Question
The number of tetrahedral voids are formed if the number of atoms in a crystal is N/2.
Advertisements
Solution
If the number of atoms in a crystal is N/2, the number of tetrahedral voids is N.
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 one or two sentences.
Sketch a tetrahedral void.
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?
An octahedral void is surrounded by ________.
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 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)
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 ____________.
Which of the following is CORRECT for the two dimensional arrangement of spheres given below?
In ABCABC type arrangement of spheres, the coordination number of any sphere is __________.
The atoms of element 'Y' form hexagonal close packing and the atoms of element X occupies `3/4` th portion of the number of tetrahedral voids. The formula of the compound formed by X and Y 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?
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?
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)
Find the total number of tetrahedral and octahedral voids formed in 1 mole of a compound forming hcp structure.
