octet rule

名词 n.
中文释义

英文释义

名词 n.
  1. A rule stating that atoms lose, gain, or share electrons in order to have a full valence shell of 8 electrons. (Hydrogen is excluded because it can hold a maximum of 2 electrons in its valence shell.)
  2. The statement that when atoms combine to form molecules they generally each lose, gain, or share valence electrons until they attain or share eight; also called
0 次浏览 数据来源: Wiktionary