A given metal crystallizes out with a cubic structure having edge length of 361 pm. If there are four metal atoms in one unit cell, what is the radius of one atom ?

A given metal crystallizes out with a cubic structure having edge leng

1.	A given metal crystallizes out with a cubic structure having edge length of 361 pm. If there are four metal atoms in one unit cell, what is the radius of one atom ?
Answer» 80 pm 108 pm 40 pm 127 pm Solution :Z=4 means STRUCTURE is fcc. For fcc `r=a/(2sqrt2)=361/(2xx1.414)` =127.65 pm `APPROX` 127 pm