The symbol Rn represents________.

Explanation

**Step-by-Step Solution:**

1. **Identify the Symbol**: The question asks for the meaning of the symbol "Rn".
- The symbol "Rn" is a chemical symbol used in the periodic table.

2. **Determine the Element**: To find out what "Rn" represents, we refer to the periodic table.
- "Rn" corresponds to the element Radon.

3. **Characteristics of Radon**: Radon is a noble gas and has specific properties.
- It is colorless, odorless, and tasteless.
- Radon is also radioactive.

4. **Atomic Number**: Radon has an atomic number of 86.
- This means it has 86 protons in its nucleus.

5. **Natural Occurrence**: Radon is a naturally occurring gas.
- It is produced as a decay product of radium (Ra), which has an atomic number of 88.

6. **Conclusion**: Therefore, the symbol "Rn" represents Radon.

**Final Answer**: The symbol Rn represents Radon.

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