单词乎

astatine

音标['æstәti:n]

汉语翻译

n. 砹
【化】 砹At
【医】 砹(85号元素)

词型变化

简写符号:At 

英语解释

名词 astatine:

  1. a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
    同义词:At, atomic number 85

详细解释


as.ta.tine

n.Symbol At (名词)符号 At
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 20 and has a half-life of 8.3 hours. Atomic number 85; melting point 302=C; boiling point 337=C; valence probably , 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20,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、3、5、7参见 element

来源:
Greek astatos [unstable] * see astasia
希腊语 astatos [不稳定的] *参见 astasia
-ine 2
-ine2


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