Question

write the first 20elements along with their name and symbols from periodic table​

Answer 1

Explanation:

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Answer 2

Answer:

1. H - Hydrogen
2. He - Helium
3. Li - Lithium
4. Be - Beryllium
5. B - Boron
6. C - Carbon
7. N - Nitrogen
8. O - Oxygen
9. F - Fluorine
10. Ne - Neon
11. Na - Sodium
12. Mg - Magnesium
13. Al - Aluminum
14. Si - Silicon
15. P - Phosphorus
16. S - Sulphur
17. Cl - Chlorine
18. Ar - Argon
19. K - Potassium
20. Ca - Calcium

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