Name the allotropes of oxygen.

Explanation

**Step-by-Step Text Solution:**

1. **Understanding Allotropes**: Allotropes are different forms of the same element that exist in the same physical state but have different physical properties. They have the same chemical properties.

2. **Identifying Allotropes of Oxygen**: The two main allotropes of oxygen are:
- **Dioxygen (O2)**: This is the most common form of oxygen that we breathe. It consists of two oxygen atoms bonded together and is essential for respiration in most living organisms.
- **Ozone (O3)**: This allotrope consists of three oxygen atoms. Ozone is found in the Earth's stratosphere and plays a crucial role in absorbing harmful ultraviolet radiation from the sun.

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