单词 | 溶解状态 |
释义 | 〔solute〕Being in solution; dissolved.呈溶解状态的;溶解了的〔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 |
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