| COHESION | Bonding of cobalt and hydrogen electron with second charged particle |
| IRON | Neighbor of cobalt and manganese |
| OLIGOMER | In chemistry, a complex molecule formed by the bonding of a small number of monomer units (8) |
| NEGATRON | An electron with a negative charge (8) |
| ELEVATE | Double electron with poor valet in lift (7) |
| CHARCOAL | Dark-grey compound of carbon, hydrogen, argon, cobalt and aluminium |
| ARSENIC | A toxic metalloid element; a by-product of the smelting of copper, lead, cobalt and gold ores (7) |
| STELLITE | A range of cobalt-chromium alloys (8) |
| TRAILED | Advertised piece of cobalt rail edging (7) |
| CONGO | world's top source of cobalt |
| SMALTITE | Mineral consisting of cobalt iron nickel arsenide (8) |
| COAL | Fossil fuel containing cobalt and aluminium |
| COALFIRED | Cobalt and iodine feeding legendary burner driven by traditional fuel |
| BLUE | Color whose shades include cobalt and sapphire |
| COHERING | Cobalt and helium joined by circuit should be sticking together (8) |
| TRACEELEMENTS | Cobalt and copper, in seawater |
| AMMONIA | One of the main components of Jupiter's atmosphere, this compound is a colourless, pungent gas composed of nitrogen and hydrogen (7) |
| LEASH | Lead (most of lead) with sulphur and hydrogen added (5) |
| CACODYL | Poisonous oily liquid with an unpleasant garlicky smell, composed of arsenic, carbon and hydrogen (7) |
| NACHO | Snack of sodium, carbon and hydrogen only (5) |
