| Answer | Crossword Clue |
|---|---|
| ORG | Kind of chem. |
| INORG | Branch of chem. |
| AURIDE | Compound of gold: Chem. |
| TITRATE | Determine the concentration of: Chem. |
| LAB | Part of a chem class |
| ALKID | Combination of methane and metal: Chem. |
| TITRATE | Test the concentration of, in chem lab |
| ATNO | 79, for the chem. symbol at the heart of the four longest puzzle answers |
