| 单词 | 溶点 |
| 释义 | 〔fluorine〕A pale-yellow, highly corrosive, poisonous, gaseous halogen element, the most electronegative and most reactive of all the elements, used in a wide variety of industrially important compounds. Atomic number 9; atomic weight 18.9984; freezing point -219.62°C; melting point -223°C; boiling point -188.14°C; specific gravity of liquid 1.108 (at boiling point); valence 1. See table at element 氟：一种浅黄色、强腐蚀性、有毒的气态卤素，是带有最强的负电性和最强抗电性的元素，被广泛应用于多种重要的工业化合物中。原子数为9；原子量为18.9984；凝点为-219.62°C；溶点为-223°C；沸点为-188.14°C；特定液态引力为1.108（于沸点）；原子价为1 参见 element〔astatine〕A highly unstable radioactive element, the heaviest of the halogen series, that resembles iodine in solution. Its longest lived isotope has a mass number of 210 and has a half-life of 8.3 hours. Atomic number 85; melting point 302°C; boiling point 337°C; valence probably 1, 3, 5, 7. See table at element 砹：极不稳定放射性元素，在卤族元素比重最大，在溶解状态与碘相象，它最长周期的同位素原子量为210，半衰期为8.3小时。原子序数85；溶点302°C；沸点337°C；化合价可能为1、3、5、7 参见 element〔erbium〕A soft, malleable, silvery rare-earth element, used in metallurgy and nuclear research and to color glass and porcelain. Atomic number 68; atomic weight 167.26; melting point 1,497°C; boiling point 2,900°C; specific gravity 9.051; valence 3. See table at element 铒：一种柔软的、有延展性的，银色光泽的稀土元素，用于冶金、核研究及给玻璃和陶瓷上色，原子序数68；原子量167.26；溶点1,497°C；沸点2,900°C；比重9.051；化合价3 参见 element |
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