Gold(atomic radius = 0.144 nm) crystallisesin a face centred unit cell.What is the length of theside of the cell.

Gold(atomic radius = 0.144 nm) crystallisesin a face centred unit cell

1.	Gold(atomic radius = 0.144 nm) crystallisesin a face centred unit cell.What is the length of theside of the cell.
Answer» SOLUTION :For FCC , ` a = 2 SQRT2 r = 2 XX 1.414 xx 0.144 NM= 0.407 nm ` ]