• Well, if we look on the chart, the first ionization energy is what is reported in your Periodic Table.

    如果我们查阅图表,一级电离能,已经在元素周期表上标示了。

    麻省理工公开课 - 固态化学导论课程节选

  • And en route we discovered that we can divide the Periodic Table into metals, 75% which is about 75% of the Periodic Table.

    我们发现,我们能够将元素周期表划出金属,大概占。

    麻省理工公开课 - 固态化学导论课程节选

  • So, remember when you're looking at your periodic table, don't forget about the lanthanides, sometimes they come into play.

    因此,要记住,当你在看元素周期表时,不要忘了镧系元素,有时候也会用到它们。

    麻省理工公开课 - 化学原理课程节选

  • Periodic Table, Table of Constants, and you are allowed an aid sheet, an 8-1/2 by 11 sheet of paper.

    元素周期表,常数表,你允许带帮助表格,一个8-1/2乘11的纸。

    麻省理工公开课 - 固态化学导论课程节选

  • I thought, well, maybe we can now go to the Periodic Table and figure out what is going on there.

    那么接下来,我们可以讲元素周期表了吧,让我们看一下在这儿我们又会遇到什么问题。

    麻省理工公开课 - 固态化学导论课程节选

  • You are allowed to use on the test the official version of the Periodic Table of the Elements which most of you should have by now.

    在测试中你们可以使用,化学元素周期表的官方版本,你们应该大部分都有了吧。

    麻省理工公开课 - 固态化学导论课程节选

  • If you look on the Periodic Table this is 598 atomic hydrogen. And, sure enough, there is 13.598, which is this number here in electron volts.

    如果你查找元素周期表上的氢原子,毫无疑问,它的电离能就是13。,这个数值也是电子伏的值。

    麻省理工公开课 - 固态化学导论课程节选

  • We can get this from the Periodic Table, so reported is Periodic Table.

    我们能从元素周期表中得到这个,所以接下来要讲元素周期表

    麻省理工公开课 - 固态化学导论课程节选

  • We'll then take a turn to talking about the periodic table, we'll look at a bunch of periodic trends, including ionization energy, electron affinity, electronegativity and atomic radius.

    然后我们再开始讲元素周期表,我们会看到很多周期性规律,比如电离能,电子亲和能,电负性以及原子半径。

    麻省理工公开课 - 化学原理课程节选

  • 5% And, it turns out that about 75% of the periodic table falls into this category.

    而且,它表明元素周期表的,都属于这个种类。

    麻省理工公开课 - 固态化学导论课程节选

  • So, that's actually the electron configuration we have when we're talking about copper and some other exceptions in the periodic table that you're going to be looking at.

    因此,这才是铜原子真正的电子排布,而且我们在元素周期表中,会看到与铜原子类似的,其他例外的情况。

    麻省理工公开课 - 化学原理课程节选

  • It is just down the hall from this lecture theater. And you bring the Periodic Table and the Table of Constants and a calculator and something to write with.

    就在这件教室下面的大厅那,你们带上元素周期表和常数表,还有一个计算器和一些写的东西。

    麻省理工公开课 - 固态化学导论课程节选

  • And there's a lot we can explain by talking about what we see in the periodic table in terms of what different trends are in grouping different elements in different spots within the periodic table.

    我们可以解释很多,通过讨论元素,周期表中的内容,按照各种不同的规律,将周期表中不同位置的元素分组归类。

    麻省理工公开课 - 化学原理课程节选

  • Depending on what kind of chemistry you go in to, you might accidentally memorize parts of the table, which is fine, but what you really want to know how to do is know how to use the periodic table.

    取决于你今后从事哪个方向的化学研究,你可能会不经意地记住周期表的某一部分,这就够了,但是要注意,你真正需要知道的是如何使用元素周期表

    麻省理工公开课 - 化学原理课程节选

  • See, if you know the Periodic Table then you know where elements are relative to one another.

    如果你足够熟悉元素周期表,你可以知道,任何元素与另外元素的关系。

    麻省理工公开课 - 固态化学导论课程节选

  • So, here we have a picture of Dmitri Mendeleev, who is one of the scientists responsible for first compiling the periodic table.

    这是一张德米特里?门捷列夫的画像,他是最早制作,元素周期表的科学家之一。

    麻省理工公开课 - 化学原理课程节选

  • So, then all we need to do to determine which elements that corresponds to is take a look at our periodic table.

    因此,我们需要做的只剩下,在元素周期表中寻找,对应的元素有哪些。

    麻省理工公开课 - 化学原理课程节选

  • We need to add something else in order to explain what is going on in the Periodic Table.

    我们需要引其他一些东西进来才能解释清楚,元素周期表中发生的这种现象。

    麻省理工公开课 - 固态化学导论课程节选

  • So specifically, what we're asking here is as we go across the periodic table, we want to consider which has the smaller ionization energy.

    具体地说,我们这里要问的是,从周期表来看,你认为,哪一个元素的电离能更低。

    麻省理工公开课 - 化学原理课程节选

  • And since carbon's electronegativity is higher than that of hydrogen, which you would expect from where carbon lies on the Periodic Table. Think about it.

    碳的高于氢的,你也可以从碳在,元素周期表上的位置,判断出来,试想一下。

    麻省理工公开课 - 固态化学导论课程节选

  • So it turns out that we can really know a lot just by looking at the periodic table.

    可见,我们只是看看元素周期表,就能知道很多信息。

    麻省理工公开课 - 化学原理课程节选

  • So as we go across the row, and this is my beautiful picture of a periodic table here.

    那么当我们沿着行向右走的时候,这是我漂亮的元素周期表

    麻省理工公开课 - 化学原理课程节选

  • And what we can do is we can also use the Schrodinger equation to make these accurate predictions for any other atom that we want to talk about in the periodic table.

    我们能做的是,我们可以使用,薛定谔方程去做一些,关于我们想要讨论的元素周期表,中任何一个原子的预测。

    麻省理工公开课 - 化学原理课程节选

  • So if you flip the info page over on the back here, what you'll see is the periodic table, this is the same one that I've handed out in the last two lectures - the periodic table without any electron configurations.

    将这张纸翻过来,你可以看到一个元素周期表,这与我们前两次课发过的,是一样的,-没有任何电子排布的周期表

    麻省理工公开课 - 化学原理课程节选

  • So let's turn our attention to a new topic, which is thinking a little bit about the periodic table, and also talking about periodic trends.

    我们的新主题上,我们将会讨论一点关于元素周期表的知识,同时也会讲一讲周期性规律。

    麻省理工公开课 - 化学原理课程节选

  • And after the periodic table was developed in the late 1800's, people didn't understand this quite as well, they took things a little more literally.

    在十九世纪后期元素周期表经过发展之后,人们还没有很好地意识到这一点,他们的认识还有些粗浅。

    麻省理工公开课 - 化学原理课程节选

  • The period of table's on the back page of your notes if you don't see that there.

    元素周期表在你们讲义的封底,如果你没看到的话。

    麻省理工公开课 - 化学原理课程节选

  • Anyway, if you go to your Periodic Table you will find that on the one side you can get what is called the enthalpy of atomization.

    如果你看元素周期表,你会在这一侧发现,这是原子化焓。

    麻省理工公开课 - 固态化学导论课程节选

  • And then there is this group of about half a dozen right down the diagonal middle.

    然后有一个包含六个元素元素组,在周期表的对角线的中部。

    麻省理工公开课 - 固态化学导论课程节选

  • If we look at carbon, if you look on your Periodic Table you will see this notation next to carbon, What are we learning here?

    如果我们观察碳,如果你查阅元素周期表,你会看到碳旁边的符号,从这里我们能了解到什么呢?

    麻省理工公开课 - 固态化学导论课程节选

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