Give equation for preparation of Radon from Radium .

Explanation

To prepare radon from radium, we can represent the process using a nuclear decay equation. Radium undergoes alpha decay to produce radon and helium. Here’s the step-by-step solution:

### Step-by-Step Solution:

1. **Identify the Elements Involved**:
- Radium (Ra) with atomic number 88 and atomic mass 226.
- Radon (Rn) with atomic number 86 and atomic mass 222.
- Helium (He) with atomic number 2 and atomic mass 4.
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