Elements

1.Hydrogen

2.Helium

3.Lithium

4.Beryllium

5.Boron

6.Carbon

7.Nitrogen

8.Oxygen

9.Fluorine

10.Neon

11.Sodium

12.Magnesium

13.Aluminium

14.Silicon

15.Phosphorus

16.Sulphur

17.Chlorine

18.Argon

19.potassium

20.Calcium

21.Scandium

22.Titanium

23.Vanadium

24.Chromium

25.Manganese

26.Iron

27.Cobalt

28.Nickel

29.Copper

30.Zinc

31.Gallium

32.Germanium

33.Arsenic

34.Selenium

35.Bromine

36.Krypton

37.Rubidium

38.Strontium

49.Indium

53.Iodine

55.Cesium

74.Tungsten

76.Osmium

80.Mercury

83.Bismuth