Name: 日本發現113號元素 - 視頻週期表 (Japanese discovery of element 113 - Periodic Table of Videos)
Uploaded: 2021-01-14T10:17:16.000Z
Duration: 3 min 30 s
Description: 【看影片學英語】數萬部 YouTube 影片，搭配英漢字典即點即查，輕鬆掌握單字發音與用法，長久累積看電影不必再看字幕。

in September this year, 2000 and 12 there was quite an exciting piece of news about Element 113.

We've been a bit slow catching up with it, so please forgive us.

轉承詞

But the important thing is the element of 113 has bean synthesized, in fact, for the third time, and therefore people there now reasonably confident that it has been made.

Like mostly elements in this part of the periodic table, the experiment involves accelerating a light element, the nucleus of a light element at very high speeds but 10th of speed of light and crashing it into a target of a heavier element.

In this case, it was zinc, which has atomic number 30 and bismuth that has atomic number 83 30 plus 83 makes 113.

So you imagine that there are hundreds of these millions and millions of these hitting the targets, and every so often one of them goes inside.

Nucleus doesn't make that noise when it happens?

My dog's gonna go crazy when I so we now have a nucleus of 113.

The nucleus is quite unstable, so short time afterwards, out from the other side will come some sort of particle, probably a nucleus of helium atom, an alpha particle, and it decays to a whole chain of other atoms.

Now, from my point of view, the thing that's really exciting is that this element Waas made this experiment that's just been published was done in Japan.

It's no different from the other periodic table, and down here we have Element 113.

What's exciting for me is that it's a wonderful demonstration about how science is now being done all over the world.

This is the first element, at least in modern times, that has been discovered in Asia.

I'm quite excited because there aren't any elements with the symbol contains the letter J, though in some early periodic tables in German, they put Ia Dean with a J because the German word for Iron Dean yours begins with a J.

So I'm quite excited that perhaps we might have an element with a symbol J.

Or something like that, which would be a real first.

The day after the paper was published, I was at a reception in London where the Japanese ambassador to the U.

With one of the guests and I was introduced to him, and I began by congratulating him on the synthesis of Element 113 he looked a bit surprised.

I think it's first time anybody had ever congratulated him about anything chemical, but then he got really quite excited.

So they were getting younger here, could use on again.

 It's only country happier this stuff so they could have. 