The edge length of unit cell of a metal having molecular weight 75g/mol is
5 Å which crystallize in cubic lattice. If the density is 2g/ cc then find the radius of metal atoms. (N A = 6 x 10 23 ) Give the answer in pm
a. 217 pm
b. 210 pm
c. 220 pm
d. 205 pm
Ans. a
(10)
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