正在加载图片...
What's the Best Way to Count Things? 1 e donor:Anything that has one e that is not in a bond.Examples: H :F ●● 2 e donor:Anything that has two e's that are not in a bond (called a "lone pair").Examples: H-N-H CO (the one we have been using) H 3 e donor:Anything having three e's to spare.Example: The allyl radical: This bond can donate H two e to a metal:So this radical is either a 1 or a 3e donor Radical:atom or molecule with an incomplete valence shell,making it very reactiveiv-9Whatʼs the Best Way to Count Things? • 1 e- donor: Anything that has one e- that is not in a bond. Examples: H F Cl CH3 • 2 e- donor: Anything that has two e- ʼs that are not in a bond (called a “lone pair”). Examples: CO H N H H (the one we have been using) • 3 e- donor: Anything having three e- ʼs to spare. Example: The allyl radical: C C H C H H H H This bond can donate two e- to a metal; So this radical is either a 1 or a 3 e- donor Radical: atom or molecule with an incomplete valence shell, making it very reactiveXIV-9
<<向上翻页向下翻页>>
©2008-现在 cucdc.com 高等教育资讯网 版权所有