| Rating | Solver | Clue |
|---|---|---|
| COPPER | Reddish metal | |
| COBALT | A tough, lustrous, reddish white metal of the iron group, not easily fusible, and somewhat magnetic. Atomic weight 59.1. Symbol Co. | |
| BISMUTH | One of the elements; a metal of a reddish white color, crystallizing in rhombohedrons. It is somewhat harder than lead, and rather brittle; mas... |