All the elements in the periodic table have a different affinity for electrons.

元素周期所有元素对电子都有不同亲和力。

I mean, the periodic table is full.

我意思是，元素周期已经满了。

Now we have the entire periodic table.

现在我们有了整个元素周期。

The race to extend the periodic table continues.

扩展元素周期比赛仍在继续。

Chemists know all the elements on the periodic table.

化学家了解元素周期里所有元素。

And so your question about the periodic table is very interesting.

所以提出关于元素周期问题非常有趣。

On the periodic table of the elements, Sn is the symbol for what?

在元素元素周期上，Sn是什么符号？

In fact, they make up most of the elements in the periodic table.

事实上，它们构成了元素周期大部分元素。

So now, you did the periodic table and you talked about the human body.

所以我们元素周期还有人体部位。

Yes, I asked which is the lightest element in the periodic table.

是，我问元素周期最轻元素是什么。

The transition metals are the metals in the middle part of the periodic table.

渡金属元素指元素周期位于间位置金属元素。

You could break down each line of the periodic table into a short story.

可以把元素周期每一行分解成一个小故事。

It's a — it's the periodic table of elements, it's — it's wonderful.

它是——它是元素周期元素，它——它很棒。

Let's say your chemistry teacher asks you to memorize a periodic table for example.

比如说，化学老师让记住一张元素周期。

Back then, there wasn't the single universal periodic table that we have today, either.

那时，也没有我们今天拥有统一普遍周期。

They don't really get much more far off the periodic table than that.

它们在元素周期确实没有处于太靠后位置。

Famous physicist Richard Feynman also predicted an end to the periodic table.

著名物理学家理查德·费曼也预言了周期终结。

“Mendeleyev’s Dream” by Paul Strathern is the best book I've ever read on the periodic table.

保罗·斯特拉森《门捷列夫梦》是我读关于元素周期最好书。

I mentioned that uranium is the heaviest element in the periodic table, but which is the lightest?

我提到铀是元素周期最重元素，但哪个元素是最轻呢？

Hydrogen has one proton, helium two, lithium three, and so on up the periodic table of elements.

氢有1个质子，氦有2个，锂有3个，按元素周期上元素排列顺序即可判断。