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氦气是钝气。Helium is a monatomic gas.

氦是最轻的稀有气体。Helium is the lightest rare gas.

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氦是一种用于气球的气体。Helium is a gas used in balloons.

这个人是从哪儿得到氦气的呢?Where did this man get the helium?

氦和氩都是单原子气体。Helium and argon are monatomic gases.

我们从He2开始。So I guess we'll start with helium 2.

氦和氩都是单原子气体。Helium gas was the thermometric fluid.

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我是氦气的渡鸦,这电影是我的。I am helium raven and this movie is mine.

所以氦正离子是一个单电子系统。So, helium plus is a one electron system.

那么氦原子核的电荷量是多少呢?So what is the charge on a helium nucleus?

我们有一个氦核和一个电子。We have a helium nucleus and one electron.

它是单原子惰性气体。Helium is a monatomic chemically inert gas.

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1927年时,巨型氢气球代替了这些动物朋友。Giant helium balloons replaced them in 1927.

如果氦原子失去了一个电子,我们得到了什么?If helium loses on electron, what do we have?

即氦气脱去外层的电子。It's helium denuded of both of its electrons.

在车箱内装满氦气球。Fill the trunk of your car with helium go ups.

这是另外一个1s,氦的原子轨道。Here is another 1s, atomic orbital for helium.

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在车箱内装满氦气球。Fill the trunk of your car with helium balloons.

气球中可能会充满氦气或者氢气。The balloon may be filled with helium or hydrogen.

在这种情况心爱,氦开始的是。s2 And, in this case, I start with helium -is 1s2.