红联英语单词
astatine
astatine什么意思,astatine翻译
基本解释
n.: 砹(放射性化学元素)
网络: 石厄;石艾
权威解释
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.
英汉解释
【化学】砹
例句
A halogen is defined as an element in group VII of periodic table, including Fluorine, Chlorine, Bromine, Iodine, Astatine.
卤素是化学元素周期表中第七族的元素,包括了氟、氯、溴、碘、砹。
Astatine is a radioelement, so in general, halogen is defined as Fluorine, Chlorine, Bromine, Iodine.
砹是放射性元素,所以一般卤素质的只是氟、氯、溴、碘。
On Earth rarest element astatine. Had discovered the naturalastatine element only has about 25 grams.
地球上最稀有的元素砹。已发现的天然砹元素只有25克左右。