We call these elemental particles protons, neutrons, and electrons.

我们称之为质子、中子与电子。

Secondly, the act of splitting atoms released two more neutrons.

其次，原子分裂又释放出两个中子。

They make up the neutrons and protons found inside atoms.

它们构成了原子中的中子和质子。

Inside DNA you would find atoms, electrons, protons, neutrons.

在 DNA 里面，你可以找到原子、电子、质子、中子。

But wait! What about the protons and neutrons and stuff?

不过，等一下！你可能会问，不是还有质子、中子吗？

Some nitrogen atoms have more neutrons than others.

某些氮原子比另一些氮原子拥有更多的中子。

They're the same element, but 86 has one less neutron.

它们是相同的元素，但 86 少了一个中子。

At an atom's heart are smaller particles like protons and neutrons.

原子的中心有更小的粒子，如质子和中子。

Heavy hydrogen has a neutron as well as a proton in its nucleus.

重氢的核内有一个中子和一个质子。

It will have only 177 neutrons.

它只有177个中子。

Protons have a positive electric charge, electrons a negative charge, and neutrons are neutral.

质子带正电荷，电子带负电荷，中子则是中性的。

These protons, neutrons, and electrons are all governed by forces that help explain, well, everything.

这些质子、中子和电子都受力的控制，这些力的控制有助于解释一切。

That's the number of protons plus the number of neutrons.

这是质子的数量加上中子的数量。

But if you place neutrons in a lab bottle, they'll break down 10 seconds faster.

但如果你把中子放在实验瓶里，它们会提前 10 秒衰变。

Well, there is one odd thing about neutrons.

关于中子有一件奇怪的事情。

Instead of hydrogen or deuterium, it contains tritium, an isotope of hydrogen that has two neutrons, and is radioactive.

与氢或重氢相比，它还含有氚——氢的一种同位素，含有两个中子，具有放射性。

The collision first forms a neutron, and then a positron.

碰撞首先生成一个中子，然后生成一个正电子。

When a massive star explodes, it leaves behind a dense spinning core made entirely of neutrons.

当一个大质量的恒星爆炸时，它会留下一个完全由中子组成的高密度旋转核心。

In general, atoms are made up of three subatomic particles: protons, neutrons, and electrons.

一般来说，原子是由三个亚原子粒子组成的：质子、中子和电子。

Radium mainly emits what's called alpha radiation, which are clumps of two neutrons and two protons.

镭主要释放所谓的α辐射，即两个中子和两个质子的团块。