lone pair of electrons发音

意思翻译

孤对电子

相似词语短语

lone pair───未共用电子对；未共（享）电子对; 非共享电子对

pair of───一对；一双

gmastea pair of───gmastea一对

pair of pants───一条裤子

this pair of───这双

pair of shoes───一双鞋

A pair of───一双；一对…；一副…

pair───n.一对，一双，一副；n.(Pair)人名；(英、法)佩尔；vt.把…组成一对

caesium electrons───铯电子

双语使用场景

if we want to figure out the formal charge on the carbon, we need to take the number of valence electrons, so that's 4. We need to subtract the lone pair, what number is that? It's 2.───如果我们想算出碳原子的形式电荷，我们需要将价电子的个数，也就是四，减去孤对电子的个数，它是多少？是二。

So, which atom is in need of those lone pair electrons?───那么，哪个原子需要这对孤对电子呢？

The nitrogen atoms of amines have what chemists call a lone pair of electrons, and it is this which attaches each amine molecule to the nanotube.───胺上的氮原子存在着一种电子对，化学家们管这叫孤对电子（译者：嘿嘿~高中知识竟然还未忘记），而正是这些孤对电子把胺分子牢牢绑在纳米管上。

英语使用场景

The nitrogen atoms of amines have what chemists call a lone pair of electrons, and it is this which attaches each amine molecule to the nanotube.