| THULIUM | Soft silvery metallic element with the atomic number 69 (7) |
| GALLIUM | Silvery metallic element whose atomic number is 31 |
| YTTERBIUM | Soft silvery metallic element, atomic number 70 (9) |
| DYSPROSIUM | Soft silvery metallic element of the lanthanide series, atomic no. 66 (10) |
| BARIUM | Soft silvery metallic element, atomic number 56 (6) |
| RHODIUM | Rare and valuable metallic element with the atomic number 45 (7) |
| YTTRIUM | Metallic element with the atomic number 39 (7) |
| RHENIUM | Metallic element with the atomic number 75 (7) |
| NIOBIUM | Metallic element with the atomic number 41 (7) |
| IRIDIUM | Heavy, brittle metallic element with the atomic number 77 (7) |
| TERBIUM | Silvery metallic element used as a semiconductor [7] |
| BA | A soft silvery metallic element of the alkali earth group |
| TM | A soft silvery metallic element of the rare earth group |
| NA | A soft silvery metallic element of the alkali earth group. |
| MERCURY | Silvery metallic element (7) |
| PRASEODYMIUM | Soft, silvery, metallic element; symbol Pr (12) |
| YB | A soft silvery metallic element. |
| INDIUM | Soft silvery metallic element chemically similar to gallium and thallium, chiefly occurring in zinc ores (6) |
| ERBIUM | A soft, silvery metallic element discovered in 1843 and named after a Swedish village (6) |
| OSMIUM | From the Greek meaning "smell", due to the disagreeable odour of its tetroxide, the metallic element with the atomic number 76 (6) |
