Two noble gases are obtained by the decay of radium. What are they?

Explanation

To answer the question about the two noble gases obtained by the decay of radium, we can follow these steps:

### Step-by-Step Solution:

1. **Identify Radium**:
- Radium is represented by the symbol Ra and has an atomic number of 88. Its most common isotope has a mass number of 226.

2. **Understand Radioactive Decay**:
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