An element X has atomic mass `60 g mol^(-1)` and density `6.23 g cm^(-3)`. The edge length of its unit cell is 400 pm. Identify the type of the unit cubic cell. Calculate the radius of X atom.

(i) What is ferromagnetic substance? (ii) KBr crystallises in face-centred cubic (fcc) crystals. The density and formula mass of KBr crystal are 2.65g*cm^(-3) and 119g*mol^(-1) respectively. Find the distance between K^(+)andBr^(-) ions in KBr crystal. or, (i) Which kind of defect in ionic crystal does not alter the density? (ii) An element X has atomic mass 60g*mol^(-1) and density 6.23g*cm^(-3) . The edge length of its unit cell is 400 pm. Identify the type of the unit cubic cell. Calculate the radius of X atom.

An element with atomic mass 93 g mol^(-1) has density 11.5 g cm^(-3) . If the edge length of its unit cell is 300 pm, identify the type of unit cell.

A element X with atomic mass 60 g/mol has a density of 6.23"g cm"^(-3) . If the edge length of the unit cell is 400 pm, identify the type of the cubic unit cell. Calculate the radius of the atoms of the element.

An element X with an atomic mass of 60g mol^-1 has density of 6.23 g cm^-3 . If the edge !length of its cubic unit cell is 400 pm, identify the type of cubic unit cell. Calculate the radius of an atom of this element.

(a) 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. (b) Write any two differences between amorphous solids and crystalline solids.

The edge length of NaCl unit cell is 564 pm. What is the density of NaCl in g/ cm^(3) ?

The density of KBr is 2.73"g cm"^(-3) . The length of the unit cell is 654 pm. Predict the nature of the unit cell. (Given atomic mass of K = 39, Br = 80)

An element crystallizes in a body centred cubic lattice. The edge length of the unit cell is 200 pm and the density of the element is "5.0 g cm"^(-3) . Calculate the number of atoms in 100 g of this element.

A metal (atomic weight = 75) has cubic crystal structure. Its density is 2g*cm^(-3) . The edge length of the unit cell of the crystal is 5Å. What is the radius of the metal atom?

Tungsten crystallizes in body-centred cubic unit cell. If the edge of the unit cell is 316.5pm, what is the radius of tungsten atom?