Question

A solid consisting of only X atoms has a close-packed structure with X-X distance of 160 pm. Assuming it to
be a closed-packed structure of hard spheres with radius equal to half of the X-X bond length, the number of
atoms in 1 cm' would be
[NET Dec. 2014
(a) 6.023x1027 (b) 3.45x1023 (0)6.02x1021 (d) 3.8*1021​

Answer 1

Answer:

pm. Assuming it to

be a closed-packed structure of hard spheres with radius equal to half of the X-X bond length, the number of

atoms in 1 cm' would be

[NET Dec. 2014

(a) 6.023x1027 (b) 3.45x1023 (0)6.02x1021 (d) 3.8*1021