The following table shows the first 20 elements (by abundance) normalized with respect to Silicon.
| Element | Abundance |
| Hydrogen | 26 600 |
| Helium | 1 800 |
| Oxygen | 18.4 |
| Carbon | 11.1 |
| Neon | 2.6 |
| Nitrogen | 2.3 |
| Magnesium | 1.06 |
| Silicon | 1 |
| Iron | .90 |
| Sulfur | .5 |
| Argon | .106 |
| Aluminum | .085 |
| Calcium | .063 |
| Sodium | .060 |
| Nickel | .048 |
| Chromium | .013 |
| Manganese | .009 |
| Phosphorus | .007 |
| Chlorine | .005 |
| Pottasium | .004 |
| others | < a few ppm |