Metallic crystal structures lattice parameter relationship and unit cell geometries

Question 1

Cubic

Answer 1

a=b=c
alpha=beta=gamma=90

Question 2

Hexagonal

Answer 2

a=b does not= c
alpha=beta=90
gamma=120

Question 3

Tetragonal

Answer 3

a=b does not = c
alpha=beta= gamma=90

Question 4

Rhombohedral

Answer 4

a=b=c
alpha=beta=gamma does not =90

Question 5

Monoclinic

Answer 5

a does not equal b does not equal c
alpha does not equal beta does not equal 90