Question

7. Which of the following does not represent a type of
crystal system?
(a) Triclinic
(b) Monoclinic
(c) Rhombohedral (d) Isotropical​

Answer 1

Answer:

D) Isotropical

...is the correct ans

Answer 2

Answer:

Option d

Explanation:

The crystal systems into which 14 Bravais lattice are being grouped are:

1) Cubic

2) Orthorhombic

3) Tetrahedral

4) Hexagonal

5) Rhombohedral

6) Monoclinic

7) Triclinic

Hence, Isotropical is not a crystal system type.

Hence, Option "D" is the correct answer.

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