| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 氨基磺酸 | aminosulfonic acid | 5329-14-6 | H3NO3S |
| 氨基磺酰氯 | Sulfamoyl chloride | 7778-42-9 | ClH2NO2S |
| 氨基溴 | bromoamine | 13967-29-8 | BrH2N |
| 氨基二氟膦 | aminodifluorophosphine | 25757-74-8 | F2H2NP |
| 氨-d3 | deuterated ammonia | 13550-49-7 | H3N |
| 氨-<sup>14</sup>N | ammonia | 1026405-88-8 | H3N |
| 氨-15N,d3 | ammonia-(15)N-d3 | 22364-56-3 | H3N |
| 氨 | ammonia | 7664-41-7 | H3N |
| 氧阴离子 | Oxygen anion | 14337-01-0 | O- |
| 氧氯化硒 | selenium oxychloride | 7791-23-3 | Cl2OSe |
| 氧气-18O2 | oxygen-18 | 32767-18-3 | O2 |
| 氧气-17O2 | dioxygen-(17)O | 67321-81-7 | O2 |
| 氧气 | oxygen | 7782-44-7 | O2 |
| 氧基连二次硝酸酯 | nitrohydroxylamine | 18550-55-5 | H2N2O3 |
| 氧化铪 | Hafnium yttrium oxide (Hf0.95Y0.09O2.05) | 71243-80-6 | HfO5Y2 |
| 氧化钇掺杂的氧化铈(IV) | Cerium(IV) oxide-yttria doped | 170033-03-1 | CeO5Y2 |
| 氧化亚氮-15N同位素 | (14,15)NO | 20509-24-4 | N2O |
| 氧化亚氮 | nitrogen(II) oxide | 10102-43-9 | NO |
| 氧化(P2O4)磷 | Diphosphorus tetraoxide | 12137-38-1 | O4P2 |
| 氧-17原子 | <sup>17</sup>O-water | 13968-48-4 | H2O |
| 氧-15原子 | <sup>15</sup>O-water | 13982-43-9 | H2O |
| 氦气-3He | Helium-3 | 14762-55-1 | He |
| 氦气 | helium | 7440-59-7 | He |
| 氦与氮和氧的混合物 | Trimix | 89210-11-7 | HeN2O2 |
| 氦,加合(1:1)氖 | Helium-neon | 12162-16-2 | HeNe |
| 氢膦酸铵 | ammonium hydrogen phosphonate | 13446-12-3 | H3N*H3O3P |
| 氢碘酸 | hydrogen iodide | 10034-85-2 | HI |
| 氢硫酸盐 | sulfuric acid | 14996-02-2 | 2H*O4S |
| 氢溴酸肼 | hydrazine monohydrobromide | 13775-80-9 | Br*H5N2 |
| 氢溴酸 | hydrogen bromide | 10035-10-6 | BrH |
| 氢氧化铵-15N | [<sup>15</sup>N]-ammonium hydroxide | 62948-80-5 | HO*H4N |
| 氢氧化氚 | (1)H,(3)H-water | 13670-17-2 | H2O |
| 氢氦阳离子 | hydrohelium cation | 17009-49-3 | HHe |
| 氢氟酸 | hydrogen fluoride | 7664-39-3 | FH |
| 氢气 | hydrogen | 1333-74-0 | H2 |
| 氢化氘 | deuterium hydride | 16873-17-9 | H2 |
| 氢(+1)阳离子 | Hydrogen cation | 12408-02-5 | H+ |
| 氡222 | Radon-222 | 14859-67-7 | Rn |
| 氡220 | Radon-220 | 22481-48-7 | Rn |
| 氡219 | Radon-219 | 14835-02-0 | Rn |
| 氡 | radon | 10043-92-2 | Rn |
| 氟离子(F-) | fluoride | 16984-48-8 | F |
| 氟磺酸 | fluorosulphonic acid | 7789-21-1 | FHO3S |
| 氟氧烷基 | fluorine oxide | 12061-70-0 | FO |
| 氟基硒酸 | Selenofluoridic acid | 14986-53-9 | FHO3Se |
| 氟化锂 | Lithium fluoride | 7789-24-4 | FLi |
| 氟化铵 | ammonium fluoride | 12125-01-8 | F*H4N |
| 氟化磷(III) | trifluorophosphane | 7783-55-3 | F3P |
| 氟化硫醯基 | thionyl fluoride | 7783-42-8 | F2OS |
| 氟化氧钨 | Tungsten tetrafluoride oxide | 13520-79-1 | F4OW |