优选词，正式主题词
Chemical element
定义
某概念特定涵义的完全解释- A chemical element is a (effectively) homogeneous substance composed of one type of atom. (MaterialsMine, http://semanticscience.org/resource/ChemicalElement)
上位概念
上位概念其它语言
其它语言中概念术语- Chemical element
URI
https://purls.helmholtz-metadaten.de/skosmos/sdv/ChemicalElement