氢原子可熔合成氦。
单个氢原子的能量是-1312 千焦每摩尔。
The energy for single hydrogen atom is negative 1312 kilojoules per mole.
太空中平均每立方厘米只有两个氢原子,这对低速飞行的宇宙飞船不构成威胁。
There are just two hydrogen atoms per cubic centimeter on average in space, which poses no threat to spaceships traveling at low speeds.
他有一根装着电极的管子,里面充满了氢原子。通过施加电压,他能够使气体发光。
He had a tube with electrodes potted in it filled with atomic hydrogen. And by applying a voltage, he was able to get the gas to glow.
在19世纪50年代的头几年,阿姆斯特朗,那时还在瑞典的乌普萨拉大学里,做了一个有关氢原子的实验。
In the early years of the 1850s, Armstrong, still at uppsala university in Sweden, conducted an experiment with hydrogen atoms.
水分子由两个氢原子和一个氧原子构成。
A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
两个氢原子和一个氧原子结合组成一个水分子。
Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.
在水中大多数氢原子和氧原子是稳定的,但这两个元素也有微量以较重的同位素形式存在。
Most hydrogen and oxygen atoms in water are stable, but traces of both elements are also present as heavier isotopes.
现在这是两个分别独立的氢原子。
同时也是氢原子基态的能量值。
氢原子,我们可以先画出原子电子。
在氢原子里,速度是快还是慢?
然后我们从氢原子那得到了两个电子。
这段时间内一些粒子聚合成反氢原子。
In that time some of the particles get together and form antihydrogen.
而反氢原子由于呈电中性而留了下来。
The electrically neutral antihydrogen atoms are left behind.
这些链状或环状的碳原子被氢原子包围。
These are chains or rings of carbons atoms surrounded by hydrogen atoms.
现在我们这有一个氢原子。
测量了氢原子的线光谱。
今天我们将谈到氢原子。
So today, we're going to start talking about the hydrogen atom.
我们可以,准确的算出,氢原子中,电子。
Because what it tells is that we can figure out exactly what the radius of an electron and a nucleus are in a hydrogen atom.
波尔半径,对于氢原子来说是0。529埃。
这一切都发生在一个俘获反氢原子的磁瓶里。
All this happened inside a magnetic bottle that traps the antihydrogen atoms.
让我们看一看氢原子。
用你最粗的笔把它划掉,再用氢原子代替它。
Take the fattest marking pen you have, scratch that out and replace it with atomic hydrogen.
比如说,在氢原子里。
本质上,它只能允许我们,和两个氢原子成键。
Essentially it would only allow for us to bond to two hydrogen atoms.
好,今天我们要结束,关于氢原子问题的讨论。
All right. So today we're going to finish up our discussion of the hydrogen atom.
我们可以加三个氢原子到这里,填满其它的轨道。
So we can add three hydrogen atoms here, and fill in our other orbitals right here.
塑料中的碳原子呈饱和态,与两个氢原子相结合。
The carbon atoms in the plastic are saturated, having bonded with two hydrogen atoms.
塑料中的碳原子呈饱和态,与两个氢原子相结合。
The carbon atoms in the plastic are saturated, having bonded with two hydrogen atoms.
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