Question

state the first 20 elements of periodic table

Answer 1

Answer:

hydrogen

helium

lithium

berillium

boron

carbon

nitrogen

oxygen

fluorine

neon

sodium

magnesium

aluminum

silicon

phosphorus

sulphur

chlorine

argon

potassium

calcium

Answer 2

Explanation:

$\sf\underline{\underline{\pink{✤ quesstion:-}}}$

state the first 20 elements of periodic table

$\sf{\underline{\red{✒answer:-}}}$

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. Silicone (Si)
15. Phosphorus (P)
16. Sulphur (S)
17. Chlorine (Cl)
18. Argon (Ar)
19. Potassium (K)
20. Calcium (Ca)