8. How do crystal systems differ

Answer : The correct answer is : Difference in edges, length and angles.

Crystal system shows large varieties of forms. These forms differs due to difference in length, angles and edges. On the basis of their difference in edge length and angles they can be of following types:

1) Cubic

2) Tetragonal

3) Hexagonal

4) Orthorhombic

5) Rhombohedral

6) Monoclinic

7) Triclinic

In angles, edges and length