Question

1.
A metal crystallises in a simple cubic unit cell
of edge length 6.22A". The radius of the metal
atom is
1) 1.55A
2) 3.11A
3) 6.22A
4) 2.45A​

Answer 1

Answer:

this is the answer

....

Answer 2

Answer:

2)3.11A

Explanation:

In a simple cubic unit cell there are atoms at each corner

so,let edge length be a and radius of each atom be r

we know that for simple cubic unit cell ,

a=2r

r=a/2

r=(6.22/2)A

=3.11A