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aleksklad [387]
3 years ago
6

What is the first 20 element​

Biology
2 answers:
OleMash [197]3 years ago
7 0
The First 20 Elements and The Difference Between Elements, Compounds and Mixtures. Standard. 1 – H – Hydrogen – Odorless, Colorless and Flammable Gas. 2 – He – Helium – Colorless and Odorless. 3 – Li – Lithium – Low Melting Point and Low Density. 4 – Be – Beryllium – High Thermal Conductivity and Non Magnetic.
laiz [17]3 years ago
7 0

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 - Sulfur

17. Cl - Chlorine

18. Ar - Argon

19. K - Potassium

20. Ca - Calcium

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