| Answer | Crossword Clue |
|---|---|
| cupric | containing bivalent copper |
| cupric | of or containing copper, esp. in the bivalent state, as cupric oxide, CuO |
| beryllium | steel-gray, bivalent, hard, light, metallic element, the salts of which are sweet: used chiefly in copper alloys for better fatigue endurance, in springs, and in electrical contacts. Symbol: Be; at. wt.: 9.0122; at. no.: 4; sp. gr. |
| mercuric | containing bivalent mercury |
| stannous | containing tin, esp. in the bivalent state |
| peroxo | containing the bivalent group of two oxygens, also PEROXY |
| peroxy | containing the bivalent group of two oxygens, also PEROXO |
