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Elements 1-20
First 20 elements in the Periodic Table of
| Abbreviation | Element |
|---|---|
| H | Hydrogen |
| He | Helium |
| Li | Lithium |
| Be | Beryllium |
| B | Boron |
| C | Carbon |
| N | Nitrogen |
| O | Oxygen |
| F | Fluorine |
| Ne | Neon |
| Na | Sodium |
| Mg | Magnesium |
| Al | Aluminium |
| Si | Silicon |
| P | Phosphorous |
| S | Sulfur |
| Cl | Chlorine |
| Ar | Argon |
| K | Potassium |
| Ca | Calcium |