| A | B |
|---|
| Hydrogen | representative/alkali/non-metal |
| Lithium | al/representative/alkali/metal |
| Beryllium | representative/alkaline earth/metal |
| Sodium | representative/alkali/metal |
| Magnesium | representative/alkaline earth/metal |
| Potassium | representative/alkali/metal |
| Calcium | representativ/alkaline earth/metal |
| Scandium | transition/metal |
| Titanium (Ti) | transition/metal |
| Vanadium (V) | transition/metal |
| Chromium (Cr) | transition/metal |
| Manganese (Mn) | transition/metal |
| Iron (Fe) | transition/metal |
| Cobalt (Co) | transition/metal |
| Nickel (Ni) | transition/metal |
| Copper (Cu) | transition/metal |
| Zinc (Zn) | transition/metal |
| Aluminum | metal |
| Gallium (Ga) | metal |
| Germanium (Ge) | metal |
| Rubidium (Rb) | representative/Alkali/metal |
| Strontium (Sr) | representative/alkaline earth/metal |
| Yttrium (Y) | transition/metal |
