Question

Write down the names and symbols of first 20 elements of the periodic table in sequential order ​

Answer 1

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. 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

$\huge{\bold{\red{\star{\pink{Answer:-}}}}}$

$\begin{tabular}{| c | 1 |}</p><p></p><p>\cline{1 - 2}</p><p></p><p>Element & Symbol \\</p><p></p><p>\cline{1 - 2}</p><p></p><p>Hydrogen & H \\</p><p>Helium & He \\</p><p>Lithium & Li \\</p><p>Beryllium & Be \\</p><p>Boron & B \\</p><p>Carbon & C \\</p><p>Nitrogen & N \\</p><p>Oxygen & O \\</p><p>Flourine & F \\</p><p>Neon & Ne \\</p><p>Sodium & Na \\</p><p>Magnesium & Mg \\</p><p>Aluminum & Al \\</p><p>Silicon & SI \\</p><p>Phosphorus & P \\</p><p>Sulphur & S \\</p><p>Chlorine & Cl \\</p><p>Argon & Ar \\</p><p>Potassium & K \\</p><p>Calcium & Ca \\</p><p></p><p>\cline{1 - 2}</p><p></p><p>\end{tabular}$