Question

write elements from 1-20 with their symbolic representation​

Answer 1

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 Aluminium Al

14 Silicon Si

15 Phosphorus P

16 Sulfur S

17 Chlorine Cl

18 Argon Ar

19 Potassium K

20 Calcium Ca

Answer 2

Answer:

hope it helps.

Explanation:

Hydrogen H

Helium. He

Lithium. Li

Berillium. Be

Boron. B

Carbon. C

Nitrogen. N

Oxygen. O

Sodium. Na

Magnesium. Mg

Aluminium. Al

Silicon. Si

Phosphorus. P

Sulfur. S

Chlorine. Cl

Argon Ar

potassium. K

Calcium. Ca.