| NICKEL | Metallic element, atomic number 28 (6) |
| INDIUM | Silvery-white metallic element, atomic number 49 (6) |
| BARIUM | Soft silvery metallic element, atomic number 56 (6) |
| COBALT | Metallic element, atomic number 27 from which a blue pigment is derived (6) |
| ZINC | Blue-white metallic element, atomic number 30 (4) |
| VANADIUM | Silvery metallic element, atomic number 62 (8) |
| SELENIUM | Non-metallic element, atomic number 34 (8) |
| SAMARIUM | Silvery metallic element, atomic number 62 (8) |
| YTTERBIUM | Soft silvery metallic element, atomic number 70 (9) |
| BORON | Trivalent, non-metallic element, atomic number 5 (5) |
| HOLMIUM | Soft silver-white metallic element; atomic number 67 (7) |
| IRIDIUM | Heavy steel-grey metallic element, atomic number 77 (7) |
| MANGANESE | Metallic element, atomic number 25 (9) |
| PLATINUM | Metallic element, atomic number 78 (8) |
| CHROMIUM | Metallic element, atomic number 24 (8) |
| NIOBIUM | Soft greyish ductile metallic element, atomic number 41 |
| LANTHANUM | Metallic element, atomic number 57 (9) |
| SCANDIUM | Rare silvery-white metallic element, atomic number 21 |
| TITANIUM | Strong, light, corrosion-resistant metallic element, atomic number 22 |
| SULPHUR | A yellow, very brittle non-metallic element, atomic number 16 (7) |
