please give me periodic table till 20
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Plz give me the answer as fast as you can
tikmoth:
Hi
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20 elements of periodic table are:-
Hydrogen
Helium
Lithium
Beryllium
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•Periodic table Upto first twenty elements :-
1.Hydrogen
2.Helium
3. Lithium
4. Beryllium
5. Boron
6. Carbon
7. Nitrogen
8. Oxygen
9. Fluorine
10. Neon
11. Sodium
12. Magnesium
13. Aluminum
14. Silicon
15. Phosphorus
16. Sulphur
17. Chlorine
18. Argon
19. Potassium
20. Calcium.
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