— August 1998 —
| Formula showing structure information | Formula which combines elements | Hill Order | Hill Order answer |
|---|---|---|---|
| C6H5COCH2CH2CH3 | C10H12O | C10H12O | C10H12O |
| BrCH2COOH | C2H3O2Br | C2H3BrO2 | C2H3BrO2 |
| TiOSO4 | O5STi | ||
| FCH2COOH | C2H3FO2 | ||
| ClCH2COOH | C2H3ClO2 | ||
| BrCh2COOH | C2H3BrO2 | ||
| Cl2CCOOH | C2HCl2O2 |