| Abundance | Helium | Neon | Argon | Krypton | Xenon | Radon |
|---|---|---|---|---|---|---|
| Solar System (for each atom of silicon) | 2343 | 2.148 | 0.1025 | 5.515 × 10−5 | 5.391 × 10−6 | – |
| Earth's atmosphere (volume fraction in ppm) | 5.20 | 18.20 | 9340.00 | 1.10 | 0.09 | trace |
| Igneous rock (mass fraction in ppm) | 3 × 10−3 | 7 × 10−5 | 4 × 10−2 | – | – | 1.7 × 10−10 |
Read more about this topic: Noble Gas (data Page)
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