2005/01/01 | 元素[Element]
类别(℃〖化学〗) | 评论(0) | 阅读(30) | 发表于 12:36
A substance composed of a single type of atom (e.g., iron).

The Heavy Ion Research Lab (DSI) in Darmstadt, Germany have discovered elements 107-112. The German group also created a few atoms of 277112.
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