Sodium metal crystallizes in a body -centred cubic lattice with a unit cell edge of 4.29 Å. The radius of sodium metal is approximately

Sodium metal crystallizes in a body -centred cubic lattice with a unit

1.	Sodium metal crystallizes in a body -centred cubic lattice with a unit cell edge of 4.29 Å. The radius of sodium metal is approximately
Answer» 5.72 Å 0.93 Å 1.86 Å 3.22 Å Solution :For BCC, `r=sqrt3/4 a =1.732/4xx4.29 Å=1.86 Å`