| IRIDIUM | Heavy steel-grey metallic element, atomic number 77 (7) |
| RURALISE | Rusticate a steel -grey metallic element, realise point out (8) |
| TUNGSTEN | A heavy, steel-grey, ductile metal also known as wolfram (8) |
| SULPHUR | A yellow, very brittle non-metallic element, atomic number 16 (7) |
| HOLMIUM | Soft silver-white metallic element; atomic number 67 (7) |
| YTTRIUM | Silvery grey metallic element (7) |
| NIOBIUM | Soft, grey metallic element, symbol Nb (7) |
| CALCIUM | Dull grey metallic element (7) |
| THORIUM | Named after the Norse god of thunder, a radioactive metallic element, atomic number 90 (7) |
| URANIUM | Radioactive silvery-grey metallic element used as the main fuel in nuclear reactors (7) |
| RHODIUM | Metallic element, atomic no 45 (7) |
| RHENIUM | Metallic element, atomic no. 75 (7) |
| OSMIUM | A hard, dense grey metallic element with atomic number 76 (6) |
| MANGANESE | Hard grey metallic element of atomic number 25 (9) |
| 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) |
| COBALT | Metallic element, atomic number 27 from which a blue pigment is derived (6) |
| INDIUM | Silvery-white metallic element, atomic number 49 (6) |
