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- A divalent atom or radical. 二价原子二价的原子或基
- Having one replaceable atom or radical. 一元的有一个可置换原子或原子团的
- The first position from a designated carbon atom in an organic molecule at which an atom or radical may be substituted. 第一位有机分子中离特定碳。
- An atom or a radical with a valence of 1. 一价原子或一价基。
- An atom or a radical with a valence of1. 一价原子或一价基
- Containing three replaceable atoms or radicals. 三羟基的包含有三个可取代的原子或基团的
- Relating to the replacement of one of several atoms or radicals in a compound by another atom or radical. 连上一个碳原子的用另外一个原子或原子团来替代混合物中某一原子或原子团的过程的或与此有关的
- An atomic or a nuclear bomb. Used with the. 原子弹原子弹或核弹。与the连用
- Of or relating to an acid that has two or more hydrogen atoms that can be replaced by basic atoms or radicals. 多元的；多碱价的一种含有两个或更多能被碱性原子或原子团取代的氢原子酸的；或与之有关的
- Containing three univalent basic atoms or radicals per molecule.Used of a base or salt. 三碱式的每个分子中含有三个一价碱性原子或原子团的。
- Containing three univalent basic atoms or radicals per molecule. Used of a base or salt. 三碱式的每个分子中含有三个一价碱性原子或原子团的。用于碱类或盐类
- The combining capacity of an atom or a radical determined by the number of electrons that it will lose, add, or share when it reacts with other atoms. 化合价，原子价原子或原子团与其它原子反映时由所失、增加成共享的电子数目决定的化合能力
- an atom or molecule or radical or ion that forms a complex around a central atom. 在中心原子周围形成一个联合体的原子、分子、原子团或离子。
- the first position from a designated carbon atom in an organic molecule at which an atom or radical may be substituted 第一位，有机分子中离特定碳原子最近的位置，在此位置上原子或自由基可以被取代
- An atom or a group of atoms with at least one unpaired electron. 原子因,基团,至少有一个游离电子的原子或一组原子。
- A compound having five atoms of oxygen combined with another element or radical. 五氧化物由五个氧原子和其它元素或基组成的化合物
- A complete or radical severance of closely connected things. 分离紧密联系的事物之间的完全的或急剧的分离
- Situated or occurring within the nucleus of an atom or a cell. 核内的位于或发生于原子核或细胞核内部的
- A binary compound of boron with a more electropositive element or radical. 硼化物硼和带正电荷的元素或原子团形成的二元化合物
- A set of eight valence electrons in an atom or ion, forming a stable configuration. 八重态在一个原子或离子中，形成稳定组态的一组八个化合价电子
