Question

First twenty Atomic numbers their elements and their symbols

Answer 1

Answer:

1. Hydrogen (H)
2. Helium (He)
3. Lithium (L)
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. Silicone (Si)
15. Phosphorus (P)
16. Sulphur (S)
17. Chlorine (Cl)
18. Argon (Ag)
19. Pottasium (K)
20. Calcium (Ca)

If you find my answer good enough kindly mark it as Brainliest.