What are allotropes of sulfur?

Explanation

### Step-by-Step Text Solution

1. **Understanding Allotropes**:
- Allotropes are different physical forms of the same element, where the atoms are bonded together in different ways. This can lead to variations in physical and chemical properties.

2. **Identifying Allotropes of Sulfur**:
- Sulfur is known to exist in several allotropic forms. The three most common allotropes of sulfur are:
- **Rhombic Sulfur**: This is the most stable form of sulfur at room temperature and pressure. It has a crystalline structure and is often found in yellow crystals.
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