| Answer | Crossword Clue |
|---|---|
| COBALT | Steel-gray element |
| NICKEL | Stainless steel element |
| NIOBIUM | Element in stainless steel |
| CHROMIUM | Element in stainless steel |
| TITANIUM | Element used to toughen steel |
| LEAD | Gray element |
| PLATINUM | Gray-white element |
| IODINE | Blackish-gray element. |
