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Elements 1-20 KAM
Period table elements 1-20
| Term | Definition |
|---|---|
| Hydrogen | Symbol- H Atomic number-1 |
| Helium | Symbol- He Atomic number- 2 |
| Lithium | Symbol- Li Atomic Number- 3 |
| Beryllium | Symbol- Be Atomic Number-4 |
| Boron | Symbol- B Atomic number-5 |
| Carbon | Symbol- C Atomic Number-6 |
| Nitrogen | Symbol- N Atomic Number-7 |
| Oxygen | Symbol- O Atomic Number- 8 |
| Fluorine | Symbol- F Atomic Number- 9 |
| Neon | Symbol- Ne Atomic Number- 10 |
| Sodium | Symbol- Na Atomic Number- 11 |
| Magnesium | Symbol- Mg Atomic number- 12 |
| Aluminum | Symbol- Al Atomic number-13 |
| Silicon | Symbol- Si Atomic number-14 |
| Phosphorus | Symbol- P Atomic Number- 15 |
| Sulfur | Symbol- S Atomic number- 16 |
| Chlorine | Symbol- Cl Atomic number-17 |
| Argon | Symbol- Ar atomic number- 18 |
| Potassium | Symbol- K atomic number- 19 |
| Calcium | Symbol-Ca atomic number-20 |