Question

19 atomic numbers from hydrogen ​

Answer 1

Answer:

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Answer 2

Answer:

1) Hydrogen ‐ H

2) Helium- He

3) Lithium- Li

4) Beryllium - Be

5) Boron - B

6) Carbon - C

7) Nitrogen - N

8) Oxygen - O

9) Fluorine - F

10)Neon - Ne

11) Sodium - Na

12) Magnesium - Mg

13) Aluminum - Al

14) Silicon - Si

15) Phosphorus - P

16) Sulphur - S

17) Chlorine - Cl

18) Argon - Ar

19) Potassium - K