| A | B |
|---|
| Hydrogen | H, nonmetal, Atomic # 1, |
| Sodium | Na, alkali metal, Atomic #11 |
| Potassium | K, alkali metal, Atomic # 19 |
| Magnesium | Mg, alkali Earth metal, Atomic #12 |
| Aluminum | Al, Post transition metal, Atomic #13 |
| Carbon | C, Nonmetal, Atomic # 6 |
| Silicon | Si, Metalloid, Atomic # 14 |
| Nitrogen | N, Nonmetal, Atomic #7 |
| Oxygen | O, Nonmetal, Atomic # 8 |
| Chlorine | Cl, Halogen, Atomic #17 |
| Fluorine | F, Halogen, Atomic #9 |
| Helium | He, Noble Gas, Atomic # 2 |
| Neon | Ne, Noble Gas, Atomic # 10 |
| Calcium | Ca, Alkali Earth Metal, Atomic # 20 |
| Lead | Pb, Post Transition Metal, Atomic #82 |
| Uranium | U, Actinoids, Atomic # 92 |
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