Fission refers to the process where one nucleus splits into two roughly equal nuclei.

裂是指一个子核分裂成两个大致相等子核过程。

An atom's nucleus has a positive charge.

子核带正。

Streaming out of a nuclear reactor of course!

当然得出现一个子核反应！

In fission, the splitting of a nucleus generates energy.

在裂，子核分裂产生能量。

Electrons orbiting the nucleus have a negative charge.

围绕子核行子带负。

Outside the nucleus are electrons which have a negative charge.

子核外面是带负子。

In fact, it's about a hundred thousand times smaller.

具体地说，子核比子小十万倍。

At the center of an atom is its nucleus which has a positive electric charge.

子心是它子核，它带有正。

In fusion, light nuclei merge — or " fuse" — to form one heavier nucleus.

在核聚过程，轻子核合并——或者“聚”——形成一个较重子核。

Every element has a specific number of electrons surrounding the nucleus.

每一种元素子核周围都有一定数量子。

The electric force between the nucleus and the electrons holds the atom together.

子核和子之间动力将子固定在一起。

The type of atom depends on how many protons it has in the nucleus.

子类型取决于其子核有多少质子。

An element's atomic number is the number of protons in its nucleus.

一种元素子序数是其子核质子数。

This is where J.J. Thomson discovered the electron, and where Rutherford split the atom.

汤普森在这发现了子，卢瑟福在这分裂出了子核。

An atom's nucleus is surrounded by a cloud of orbiting electrons.

子核周围环绕着一团按轨道行子群。

In a metal atom, the outermost electrons are only weakly attached to the nucleus.

在金属子，最外层子与子核连接微弱。

Unlike the graceful motion of planets, the atomic nuclei are chaotic blurs.

和优雅地移动行星不同，子核是很混乱。

Atoms consist of an atomic nucleus surrounded by a cloud of electrons.

每个子都由子核，以及围绕它子云组成。

And iron is the first nucleus where you don't get any energy out of fusing it.

而铁是第一个不能从聚获取能量子核。

And the nucleus is incredibly tiny compared tothe overall size of the atom.

尽管与整个子相比，子核小得不可思议。