Question

full form of first 20 elements​

Answer 1

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

10 Neon

11 Sodium

12 Magnesium

13 Aluminum

14 Silicon

15 Phosphorus

16 Sulfur

17 Chlorine

18 Argon.

19 Potassium

20 Calcium

Answer 2

Answer:

H- hydrogen

He- helium

li- lithium

be- Berilium

b- boron

c-carbon

N- nitrogen

o-oxygen

f-flourine

Ne-neon

Na- sodium

Mg- magnesium

al- aluminum

si- silicon

P- phosphorus

S- sulphur

Cl- chlorine

Ar- argon

K- Potassium

Ca- calcium