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
21. Sc – Scandium
22. Ti – Titanium
23. V – Vanadium
24. Cr – Chromium
25. Mn – Manganese
26. Fe – Iron
27. Co – Cobalt
28. Ni – Nickel
29. Cu – Copper
30. Zn – Zinc
31. Ga – Gallium
32. Ge – Germanium
33. As – Arsenic
34. Se – Selenium
35. Br – Bromine
36. Kr – Krypton
37. Rb – Rubidium
38. Sr – Strontium
47. Ag – Silver
48. Cd – Cadmium
50. Sn – Tin
51. Sb – Antimony
53. I – Iodine
54. Xe – Xenon
55. Cs – Cesium
56. Ba – Barium
74. W – Tungsten
78. Pt – Platinum
79. Au – Gold
80. Hg – Mercury
82. Pb – Lead
85. At – Astatine
86. Rn – Radon
92. U – Uranium
94. Pu – Plutonium