Here are shown the atomic packing schemes for several different crystallographic directions for some hypothetical metal. For each direction the circles represent only those atoms contained within a unit cell, which circles are reduced from their actual size.

(a) To what crystal system does the unit cell belong?

(b) What would this crystal structure becalled?

Transcribed Image Text:

-0.40 nm- (1001, 1010) -0.50 nm (001) 0.64 nm (011), [1011 -0.566 nm (110)