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Science- PTE
First 25 elements
| Symbol | Element |
|---|---|
| H | Hydrogen |
| He | Helium |
| C | Carbon |
| N | Nitrogen |
| O | Oxygen |
| Ne | Neon |
| Na | Sodium |
| Mg | Magnesium |
| Fe | Iron |
| Li | Lithium |
| Ni | Nickel |
| Al | Aluminum |
| Cl | Chlorine |
| S | Sulfur |
| K | Potassium |
| Ag | Silver |
| Hg | Mercury |
| Pb | Lead |
| I | Iodine |
| P | Phosphorus |
| Zn | Zinc |
| U | Uranium |
| Kr | Krypton |
| Ar | Argon |
| Ca | Calcium |