Question

Name first 20 elements​

Answer 1

1.H —Hydrogen

2.He—Helium

3.Li—Lithium

4.Be—Beryllium

5.B—Boron

6.C—Carbon

7.N—Nitrogen

8.O—Oxygen

9.F—Fluorine

10.Ne—Neon

11.Na—Sodium

12.Mg—Magnesium

13.Al—Aluminum

14.Si—Silicon

15.P—Phosphorus

16.S—Sulfur

17.Cl—Chlorine

18.Ar—Argon

19.K—Potassium

20.Ca—Calcium

Answer 2

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. Phosphorous(P)
16. Sulphur(S)
17. Chlorine(Cl)
18. Argon(Ar)
19. Potassium(K)
20. Calcium (Ca)

Explanation: