astatine

US ['æstəti:n]

UK ['æstəti:n]

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astatine

1.	砹（放射性化学元素）a chemical element. Astatine is a radioactive element which is found in small amounts in nature, and is produced artificially for use in medicine.

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AllAll,砹砹,石厄石厄,石艾石艾

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On Earth rarest element astatine . Had discovered the naturalastatine element only has about 25 grams.

1.	砹由于砹（Astatine）为放射性元素，因此，人们通常所指的卤素习惯上是氟F、氯CI、溴Br、碘I四种元素。卤素化合物经常作为 … asctchina4.cn.china.cn\|Based on 1072 pages
2.	石厄化学英语读本单词表 - 新月空中英语 ... ash 灰,灰烬 astatine 石厄 axial 轴的,轴向的 ... www.popmoon.com\|Based on 15 pages
3.	石艾化学元素表, 中文英文名称及拉丁文名称 ... Lead 铅 Astatine 石艾 Tellurium 碲 ... www.eion.com.tw\|Based on 5 pages