Solid StateHard

Question

Aluminum metal has a density of 2.72 g/cm3 and crystallizes in a lattice with an edge length of 404 pm.Which of the following alternatives are correct

Options

A.it forms a base centered cubic unit cell
B.it forms a face centered cubic unit cell
C.its coordination number is 8
D.its coordination number is 6

Solution

d =
so, Z = = 4
so, fcc.

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