How to find

How to find .5 d) 2.5 a) b 14. Sodium Inctal crystallizes in bcc latticewith edge length of 4.29 0 . T Ile radius of sodiu 1. atom is a) 2.857 c) 2.145 b) 1.601 d) 1.857 A 2. 15. Na and Mg crystallies in bcc and fcc crystals e number of atoms ofNa respcetivelv. then t

For BCC 4r=?3a

r= ?3?4.29?10^-10

r =1.85 ?10^-10 m
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