| 氫 | [ qīng ] hydrogen (chemistry) |
| 氫化 | [ qīng huà ] hydrogenation |
| 氫化氰 | [ qīng huà qíng ] hydrocyanic acid, hydrogen cyanide |
| 氫原子 | [ qīng yuán zǐ ] hydrogen atom |
| 氫原子核 | [ qīng yuán zǐ hé ] hydrogen nucleus |
| 氫彈 | [ qīng dàn ] H-bomb, hydrogen bomb |
| 氫氟烴 | [ qīng fú tīng ] hydrofluorocarbon |
| 氫氟酸 | [ qīng fú suān ] hydrofluoric acid HF |
| 氫氣 | [ qīng qì ] hydrogen (gas) |
| 氫氧 | [ qīng yǎng ] hydroxide (e.g. caustic soda NaOH) |
| 氫氧化 | [ qīng yǎng huà ] hydroxide (e.g. caustic soda NaOH) |
| 氫氧化物 | [ qīng yǎng huà wù ] hydroxide |
| 氫氧化鈉 | [ qīng yǎng huà nà ] caustic soda, sodium hydroxide NaOH |
| 氫氧化鈣 | [ qīng yǎng huà gaì ] calcium hydroxide Ca(OH)2, slaked lime |
| 氫氧化鉀 | [ qīng yǎng huà jiǎ ] potassium hydroxide |
| 氫氧化鋁 | [ qīng yǎng huà lǚ ] aluminum hydroxide |
| 氫氧化鎂 | [ qīng yǎng huà meǐ ] magnesium hydroxide Mg(OH)2 |
| 氫氧根 | [ qīng yǎng gēn ] hydroxide radical (-OH) |
| 氫氧根離子 | [ qīng yǎng gēn lí zǐ ] hydroxide ion OH- |
| 氫氧離子 | [ qīng yǎng lí zǐ ] hydroxide ion OH- |
| 氫氯酸 | [ qīng lǜ suān ] hydrochloric acid HCl, also written 鹽酸|盐酸[yan2 suan1] |
| 氫淨合成油 | [ qīng jìng hé chéng yoú ] hydrogenated oil |
| 氫溴酸 | [ qīng xiù suān ] hydrobromic acid HBr |
| 氫酶 | [ qīng meí ] hydrogenase (enzyme) |
| 氫鍵 | [ qīng jiàn ] hydrogen bond |
| 氫鹵酸 | [ qīng lǔ suān ] hydrohalic acid (e.g. hydrofluoric acid HF 氫氟酸|氢氟酸[qing1 fu2 suan1], hydrochloric acid HCl 鹽酸|盐酸[yan2 suan1] etc) |
| ⇒ 丙酮酸脫氫酶 | [ bǐng tóng suān tuō qīng meí ] pyruvate dehydrogenase |
| ⇒ 加氫油 | [ jiā qīng yoú ] hydrogenated oil |
| ⇒ 四氫大麻酚 | [ sì qīng dà má fēn ] Tetrahydrocannabinol, THC |
| ⇒ 氟化氫 | [ fú huà qīng ] hydrofluoric acid |
| ⇒ 氯化氫 | [ lǜ huà qīng ] hydrogen chloride HCl |
| ⇒ 砷化氫 | [ shēn huà qīng ] arsine |
| ⇒ 硫化氫 | [ liú huà qīng ] hydrogen sulfide H2S, sulfureted hydrogen |
| ⇒ 碳化氫 | [ tàn huà qīng ] hydrocarbon, same as 烴|烃[ting1] |
| ⇒ 碳氫化合物 | [ tàn qīng huà hé wù ] hydrocarbon |
| ⇒ 碳酸氫鈉 | [ tàn suān qīng nà ] sodium bicarbonate |
| ⇒ 脫氫 | [ tuō qīng ] dehydrogenation |
| ⇒ 脫氫酶 | [ tuō qīng meí ] dehydrogenase (enzyme) |
| ⇒ 超重氫 | [ chaō zhòng qīng ] tritium, 3H, radioactive isotope of hydrogen having 2 neutrons in its nucleus, so atomic weight 3 |
| ⇒ 過氧化氫 | [ guò yǎng huà qīng ] hydrogen peroxide H2O2 |
| ⇒ 過氧化氫酶 | [ guò yǎng huà qīng meí ] catalase (enzyme), hydrogen peroxidase |
| ⇒ 重氫 | [ zhòng qīng ] heavy hydrogen (isotope), deuterium |
| ⇒ 雙氫睾酮 | [ shuāng qīng gaō tóng ] dihydrotestosterone |