Metallic gold crystallises is fcc lattice .The length of the cubic unit cell is 4.242 Ã…. The closest distance between two gold atoms is:

Metallic gold crystallizes in the fcc lattice. The length of the cubic unit cell is a = 4.242 A . a. What is the closest distance between gold atoms? b. How many "nearest neighbours" does each gold atom have at the distance calculated in (a) ? (c) What is the density of gold? (Aw of Au = 197.0 g mol^(-1) ) d. Prove that the packing factor for gold is 0.74 .

Metallic gold crystallizes in the fcc lattice. The length of the cubic unit cell is a = 4.242 A . a. What is the closest distance between gold atoms? b. How many "nearest neighbours" does each gold atom have at the distance calculated in (a) ? (c) What is the density of gold? (Aw of Au = 197.0 g mol^(-1) ) d. Prove that the packing factor for gold is 0.74 .

Metallic gold crystallizes in the fcc lattice. The length of the cubic unit cell is a = 4.242 A . a. What is the closest distance between gold atoms? b. How many "nearest neighbours" does each gold atom have at the distance calculated in (a) ? (c) What is the density of gold? (Aw of Au = 197.0 g mol^(-1) ) d. Prove that the packing factor for gold is 0.74 .

Copper crystallises in a f.c.c. lattice, the length of the unit cell is 3.63 Å . The radius of Cu-atom is:

Metallic gold crystallises in face centred cubic lattice with edge-length 4.07Å . Closest distance between gold atoms is: