1. Aluminum
Al
2. Antimony
Sb
3. Argon
Ar
4. Arsenic
As
5. Barium
Ba
6. Beryllium
Be
7. Bismuth
Bi
8. Boron
B
9. Bromine
Br
10. Cadmium
Cd
11. Calcium
Ca
12. Carbon
C
13. Cesium
Cs
14. Chlorine
Cl
15. Chromium
Cr
16. Cobalt
Co
17. Copper
Cu
18. Fluorine
F
19. Francium
Fr
20. Gold
Au
21. Helium
He
22. Hydrogen
H
23. Iodine
I
24. Iron
Fe
25. Krypton
Kr
26. Lead
Pb
27. Lithium
Li
28. Magnesium
Mg
29. Manganese
Mn
30. Mercury
Hg
31. Neon
Ne
32. Nickel
Ni
33. Nitrogen
N
34. Oxygen
O
35 Phosphorus
P
36. Platinum
Pt
37. Potassium
K
38. Radium
Ra
39. Radon
Rn
40. Rubidium
Rb
41. Selenium
Se
42. Silicon
Si
43. Silver
Ag
44. Sodium
Na
45. Strontium
Sr
46. Sulfur
S
47. Tin
Sn
48. Titanium
Ti
49. Tungsten
W
50. Uranium
U
51. Xenon
Xe
52. Zinc
Zn