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The number of tetrahedral voids are formed if the number of atoms in a crystal is N/2. - Chemistry

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प्रश्न

The number of tetrahedral voids are formed if the number of atoms in a crystal is N/2.

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उत्तर

If the number of atoms in a crystal is N/2, the number of tetrahedral voids is N.

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Packing of Particles in Crystal Lattice
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पाठ 1: Solid State - Very short answer questions

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संबंधित प्रश्‍न

Choose the most correct answer.

In crystal lattice formed by bcc unit cell, the void volume 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?


An octahedral void is surrounded by ________.


The coordination number of spheres in the hcp lattice in three dimension is ______.


The number of octahedral voids formed in 0.5 mol of a compound forming hcp structure?


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 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 each sphere in bcc lattice 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?


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)


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]Clis ______.


The number of octahedral sites per sphere in ccp structure is ______.


How much vacant space is present in hep crystal lattice?


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