Sodium crystallizes in bcc structure with radius 1 86 10⁻⁸ ~cm . What is the edge length of unit cell of sodium?

Step-by-step solution

aligned r &=1.86 10⁻⁸ ~cm a &=? aligned For bcc structure, r= 3 4 a array l 3 a =4 r a= 4 r 3 = 4 1.86 10⁻⁸ ~cm 3 a=4.3 10⁻⁸ ~cm array