Solve this : Q An element crystallises in a fee unit cell having an edge length 400 - Chemistry - The Solid State

Question

Solve this :

Q An element crystallises in a fee unit cell
having an edge length 400 pm The maximum diameter of an atom that
can be placed in the interstitial site without distorting the
structure is

A) 287 4 pm B) 225 3 pm
C) 175 2 pm D) 117 1 pm

Megha Sharma · Accepted Answer

Dear student,
For FCC
a = 2 *21/2 * r
r = 400 /( 2 * 21/2)
r = 282 84
pm
Regards

Solve this : Q. An element crystallises in a fee unit cell having an edge length 400 pm. The maximum diameter of an atom that can be placed in the interstitial site without distorting the structure is A) 287.4 pm B) 225.3 pm C) 175.2 pm D) 117.1 pm

Solve this :

Q. An element crystallises in a fee unit cell having an edge length 400 pm. The maximum diameter of an atom that can be placed in the interstitial site without distorting the structure is

A) 287.4 pm B) 225.3 pm
C) 175.2 pm D) 117.1 pm