मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

What is the coordination number of atoms in a cubic close-packed structure?

Advertisements
Advertisements

प्रश्न

What is the coordination number of atoms in a cubic close-packed structure?

What is the coordination number in a close-packed structure (ccp)?

अति संक्षिप्त उत्तर
Advertisements

उत्तर

The coordination number of atoms in a cubic close-packed structure is 12.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?

संबंधित प्रश्‍न

A unit cell of iron crystal has edge length 288 pm and density 7.86 g.cm-3. Find the number of atoms per unit cell and type of the crystal lattice.

Given : Molar mass of iron = 56 g.mol-1; Avogadro's number NA = 6.022 x 1023.


Gold occurs as face centred cube and has a density of 19.30 kg dm-3. Calculate atomic radius of gold. (Molar mass of Au = 197)


Distinguish between Face-centred and end-centred unit cells.


Explain with reason sign conventions of ΔS in the following reaction

N2(g) + 3H2(g) → 2NH3(g)


Explain with reason sign conventions of ΔS in the following reaction

CO2(g) → CO2(g)


An element has atomic mass 93 g mol−1 and density 11.5 g cm–3. If the edge length of its unit cell is 300 pm, identify the type of unit cell. (NA = 6.023 × 1023 mol−1)


TiCl has the structure of CsCl. The coordination number of the ions in TiCl is ____________.


A substance forms face-centered cubic crystals. Its density is 1.984 g/cm3 and the length of the edge of the unit cell is 630 pm. Calculate the molar mass in g/mol?


A metal has a body-centered cubic crystal structure. The density of the metal is 5.96 g/cm3. Find the volume of the unit cell if the atomic mass of metal is 50.


Sodium metal crystallises in a body-centred cubic lattice with a unit cell edge of 4.29 Å. The radius of the sodium atom is approximately ______.


The empty space in the body-centered cubic lattice is ____________.


Edge length of unit cell of chromium metal is 287 pm with a bcc arrangement. The atomic radius is of the order:


The edge length of fcc cell is 508 pm. If the radius of cation is 110 pm, the radius of anion is:


The percentage of empty space in a body centred cubic arrangement is ______.


Percentage of free space in body centred cubic unit cell is


In an ionic solid r(+) = 1.6 Å and r(−) = 1.864 Å. Use the radius ratio rule to the edge length of the cubic unit cell is ______ Å.


The ratio of number of atoms present in a simple cubic, body-centred cubic and face-centred cubic structure are, respectively ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×