Question
Question: If lattice parameter for a crystalline structure is 3.6 Å, then atomic radius in fcc crystal in Å is...
If lattice parameter for a crystalline structure is 3.6 Å, then atomic radius in fcc crystal in Å is –
A
7.20 Å
B
1.80 Å
C
1.27 Å
D
2.90 Å
Answer
1.27 Å
Explanation
Solution
Atomic radius for fcc crystal is r = 22a = 223.6A˚ = 1.27 Å