Which of the following has a tetragonal crystal system?
Answer & explanation
Correct answer: option 4
The correct answer is option 4. Calcium sulphate.
The crystal system of a substance is determined by the regular arrangement of atoms or molecules in its crystalline structure. Among the options provided, the substance with a tetragonal crystal system is Calcium sulphate
Calcium sulfate, commonly known as gypsum, exhibits a tetragonal crystal system. In its natural form, gypsum crystals often appear as prismatic or tabular crystals with well-defined faces.