| •¨Ž¿–¼i‰p–¼j | •¨Ž¿–¼i˜a–¼j | ‰»ŠwŽ® |
| hafnium | ƒnƒtƒjƒEƒ€ | Hf |
| hafnium oxide | Ž_‰»ƒnƒtƒjƒEƒ€ | HfO2 |
| helium | ƒwƒŠƒEƒ€ | He |
| holmium | ƒzƒ‹ƒ~ƒEƒ€ | Ho |
| hydrazine | ƒqƒhƒ‰ƒWƒ“ | H2NENH2 |
| hydrazine hydrate | N2H4EH2O | |
| hydrazine hydrochloride | N2H4EHCl | |
| hydrazine hydrochloride,di | N2H4E2HCl | |
| hydrazine nitrate | N2H4EHNO3 | |
| hydrazine nitrate,di | N2H4E2HNO3 | |
| hydrazine sulfate | N2H4E1/2H2SO4 | |
| hydrazine sulfate | N2H4EH2SO4 | |
| hydrazoic acid | ƒAƒW‰»…‘f | HN3 |
| hydriodic acid | ƒˆƒE‰»…‘f | HI |
| hydrobromic acid | L‰»…‘f | HBr |
| hydrochloric acid | ‰–‰»…‘f | HCl |
| hydrocyanic acid | ƒVƒAƒ“‰»…‘f | HCN |
| hydrofluoric acid | ƒtƒb‰»…‘f | HF |
| hydrogen | …‘f | H2 |
| hydrogen peroxide | ‰ßŽ_‰»…‘f | H2O2 |
| hydrogen sulfide | —°‰»…‘f | H2S |
| hydroxylamine | …Ž_‰»ƒAƒ~ƒ“ | NH2OH |
| hydroxylamine hydrochloride | ‰–Ž_…Ž_‰»ƒAƒ~ƒ“ | NH2OHEHCl |
| hydroxylamine sulfate | —°Ž_…Ž_‰»ƒAƒ~ƒ“ | NH2OHE1/2H2SO4 |
| hypobromous acid | ŽŸˆŸL‘fŽ_ | HBrO |