·······································································
···································································
元素周期表中的第一种放射性元素
First radioactive element in the Periodic Table.
···································································
不,是锝-药用
No it's technetium - Officialpen
···································································
实际上,这个标题应该是锝-bstrz04
Actually, that title would go to Technetium - bstrz04
···································································
实际上,第一个没有稳定同位素的元素是锝-bstrz04
Actually, the first element without any stable isotopes is Technetium - bstrz04
0 篇文章
如果觉得我的文章对您有用,请随意打赏。你的支持将鼓励我继续创作!