| Answer | Crossword Clue |
|---|---|
| NITR | Prefix for compounds of element 7 |
| ANTIMONY | Element used for alloys and medical compounds |
| SILA | Prefix for an element |
| FERRI | Prefix for a metallic element |
| EKA | Provisional prefix for chemical element. |
| OXY | Prefix for element No. 8 |
