| INDIUM | Soft malleable metallic element chemically similar to gallium and thallium, chiefly occurring in zinc ores (6) |
| SEC | Dry, as in zin |
| THALLIUM | Soft, malleable metallic element whose symbol is Tl (8) |
| TANTALUM | Hard silver-grey metallic element chemically similar to niobium, discovered by Swedish chemist Anders Gustaf Ekeberg in 1802 (8) |
| BORON | Metalloid element chemically similar to carbon, occurring as crystals or as a brown amorphous powder; atomic no. 5 (5) |
| SCAGLIOLA | False marble reflecting smear in welded aluminium, gallium and caesium |
| RUTILE | Source of titanium and thallium handled by government (6) |
| ALUMINIUM | Metallic element chiefly occurring in bauxite ore, separated by Hans Christian Orsted in 1824-5 (9) |
| TIN | A silvery white malleable metallic element resisting corrosion and used in alloys and for plating |
| IRON | Fourth most abundant element in the earth's crust, chiefly occurring in haematite ore (4) |
| TL | A soft gray malleable metallic element that resembles tin but discolors on exposure to air. |
| LYCOPENE | Red carotenoid pigment chiefly occurring in tomatoes, used in food as the colouring E160d (8) |
| MACKEREL | Any predatory marine fish of the family Scombridae, chiefly occurring in the Atlantic and Pacific oceans (8) |
| BROWNBEAR | Ursus arctos, chiefly occurring in temperate forests of Eurasia and North America (5,4) |
| LEAD | A soft heavy toxic malleable metallic element. |
| PUTTY | Soft malleable paste made from ground chalk and linseed oil, used for sealing glass into window frames and filling holes in wood (5) |
| SD | A silvery malleable metallic element that resists corrosion. |
| SE | A silvery malleable metallic element that resists corrosion. |
| YTTERBIUM | Soft, malleable, silvery metallic element, atomic number 70 |
| CROOKES | William ___, English chemist and physicist who discovered the element thallium in 1861 (7) |
