If the radius of an atom of an element is 75 pm and the lattice type is body-centred cubic, what is the edge of the unit cell ?

If the radius of an atom of an element is 75 pm and the lattice type i

1.	If the radius of an atom of an element is 75 pm and the lattice type is body-centred cubic, what is the edge of the unit cell ?
Answer» SOLUTION :For BCC, `r=SQRT3/4a` or `a="4R"/sqrt3=(4xx75)/1.732`=173.2 PM