Question

What are the first 20 elements and their abbrevations

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. Aluminum (Al)

14. Silicon (Si)

15. Phosphorus (P)

16. Sulfur (S)

17. Chlorine (Cl)

18. Argon (Ar)

19. Potassium (K)

20. Calcium (Ca)