The density of lead 11.35 `g cm^-3` and the metal crystallizes in `f c c` unit cell. Estimate the radius of lead atom `(at. mass of l e ad = 207 `g mol`)`

Gold crystallizes in a face centred unit cell . Determine the density of gold (Given : Atomic mass of gold = 197 , atomic radius = 0.144 nm)

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

The density of copper is 17.90 gcm^(-3) . It has a fcc structure. What is the radius of copper atom? (Atomic mass oCu = 63.5 "g mol"^(-1),N_(A)=6.02xx10^(23)"mol"^(-1) ]

Sodium crystallizes in a b c c unit cell. calculate the approximate number of unit cells in 9.2 g of sodium. (A t o mic mass of Na = 23 u )

The density of KBr is 2.75 g cm^(-3) . The length of edge of unit cell is 654pm. Predict the type of cubic lattice to which unit cell of kBr belongs.

Calculate the approximate number of unit cells present in 1g. Of gold. Given that gold crystalizes in the face - centred cubic lattice. (Atomic mass of gold = 197)

An element occurs in bcc structure. It has a cell edge length of 250 pm. Calculate the molar mass if its density is 8.0 g cm^(-3) . Also calculate the radius of an atom of this element.

The edge length of unit cell of a metal having molecular weight 75 g/mol is 5 Å which crystallises in cubic lattice. If the density is 2g//cm^(3) then, find the radius of metal atom. (N_(A)=6.022 xx 10^(23))