The lattice parameter of an element stabilized in a fcc structure is 4.04 . The atomic radius of the element is:

ABC26PH0185 · Solid State Chemistry

Subject: Physical Chemistry · Chapter: Solid State Chemistry · Topic: Crystal Systems Lattices · Exam: CSIR-NET 2012 · Marks: 2 · Difficulty: Medium

The lattice parameter of an element stabilized in a fcc structure is $4.04 \AA$. The atomic radius of the element is:

(a)$2.86 \AA$

(b)$1.43 \AA$

(c)$4.29 \AA$

(d)$5.72 \AA$

Answer

Answer (as printed): B

Explanation

Given $a=4.04\,\text{Å}$. For fcc lattice, $r=1.428\,\text{Å}$.