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periodic table
| H | hydrogen | 1.008 |
|---|---|---|
| He | Helium | 4.003 |
| Li | Lithium | 6.941 |
| Be | Beryllium | 9.012 |
| B | Boron | 10.811 |
| C | Carbon | 12.011 |
| N | Nitrogen | 14.007 |
| O | Oxygen | 15.999 |
| F | Fluorine | 18.998 |
| Ne | Neon | 20.180 |
| Na | Sodium | 22.990 |
| Mg | Magnesium | 24.305 |
| Al | Aluminum | 26.982 |
| Si | Silicon | 28.086 |
| P | Phosphorus | 30.974 |
| S | Sulfur | 32.066 |
| Cl | Chlorine | 35.453 |
| Ar | Argon | 39.948 |
| K | Potassium | 39.098 |
| Ca | Calcium | 40.078 |