Question

write the elements name 1 to 20​

Answer 1

Explanation:

Hydrogen Helium Lithium beryllium Boron carbon Nitrogen Oxygen fluorine Neon sodium magnesium aluminium Silicon Phosphorus Sulphur chlorine argon potassium calcium

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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-Aluminium

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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