2. Hydrogen H

3. Zinc Zn

4. Chlorine Cl

5. Copper Cu

6. Helium He

7. Sulfur S

8. Lithium Li

9. Beryllium Be

10. Magnesium Mg

11. Boron B

12. Manganese Mn

13. Carbon c

14. Potassium K

15. Nitrogen N

16. Lithium Li

17. Oxygen O

18. Cesium Cs

19. Fluorine F

20. Bismuth Bi

21. Neon Ne

22. Calcium Ca

23. Sodium Na

24. MAGNESIUM Mg

25. Phosphorus P

26. Fluorine F

27. Aluminium Al

28. Silicon Si

29. Beryllium Be

30. Phosphorus P

31. Neon Ne

32. Sulfur S

33. Ar

34. Sodium

35. Potassium K

36. Ca

37. Molybdenum

38. Lead

39. Sc

40. Mercury Hg

41. Titanium Ti

42. Tin Sn

43. Vanadium V

44. Chromium Cr

45. Manganese Mn

46. Iron Fe

47. Gallium Ga

48. Cobalt Co

49. Nickel Ni

51. Copper Cu

52. Zinc Zn

53. Cobalt Co

54. Gallium Ga

55. Selenium Se

56. Bromine Br

57. Kryton Kr

58. Rubidium Rb

59. Tin Sn

60. Mercury Hg

61. Gold Au

62. SILVER Ag

63. Cesium Cs

64. Barium Ba

65. Cadium Cd

66. Iodine I

67. Scandium Sc

68. Titanium Ti

69. Barium Ba

70. Krypton Kr

71. Strontium Sr