Chemistry, asked by NamgayWangchuk6658, 10 months ago

First 20 elements formula molecules

Answers

Answered by snehatyagi2005

1

Answer:

1. H

2. He

3. Li

4. Be

5. B

6. C

7. N

8. O

9. F

10. Ne

11. Na

12. Mg

13. Al

14. Si

15. P

16. Su

17.cl

18. Ar

19. K

20. Ca

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