| Answer | Crossword Clue |
|---|---|
| BORON | Element to the left of carbon |
| BORON | Element next to carbon on the periodic table |
| INDIUM | Element to the left of tin in the periodic table |
| zirconium | a rare element of the carbon-silicon group |
| zirconiums | ZIRCONIUM, a rare element of the carbon-silicon group |
| nonmetal | element not having the character of a metal, as carbon or nitrogen |
| nonmetals | element not having the character of a metal, as carbon or nitrogen |
