orthorhombic sulfur
Quick Summary
Orthorhombic sulfur, also known as rhombic sulfur, is the common yellow, brittle crystalline form of sulfur. It is stable at temperatures below 95.5° C (204.8° F) and has a density of 2.07 grams/cm³. Above this temperature, it transforms into a monoclinic crystalline form. Sulfur itself is a nonmetallic element, pale yellow in color, and insoluble in water. It is reactive and forms compounds with most other elements. Sulfur exhibits allotropy, meaning it can exist in different structural forms, with orthorhombic and monoclinic being two common crystalline allotropes.123
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