共价

• covalence
• covalency
• covalent
• contravalence
• sharing
• contravalency

参考释义

共价 [gòng jià]

• -
• 短语
  共价半导体 covalent semiconductor
  共价半径 covalent radius
  共价闭合环状 DNA 分子 covalent closed circular DNA molecule
  共价闭合松弛 DNA covalently closed relaxed DNA
  共价电子 shared electron
  共价分子 covalent molecule
  共价环状结构 covalent ring structure
  共价结晶 covalent crystal
  共价晶体 {晶} covalent crystal; valence crystal

例句

1. 共用电子对数，共价一个原子与其他原子共用的电子的对数
   The number of electron pairs an atom can share with other atoms.