• We have a table of the elements with properties varying periodically with atomic mass, so we compress all of that information and refer to it as the Periodic Table.

    我们有一个元素表,其中的元素的特性,随着原子质量的改变而引起周期性的变化,所以我们将所有的信息精简,将它变成一个周期表。

    麻省理工公开课 - 固态化学导论课程节选

  • So, if we look on the periodic table, comparing, for example, s to o, if we have s it's below o, what happens to ionization energy as we go down a table?

    那么,如果我们看周期表上,比较,比如,硫和氧,硫在氧下面,当我们沿着表向下看的时候,电离能是怎么变化的?

    麻省理工公开课 - 化学原理课程节选

  • Getting back to the concept that there are good and bad fats, if we look at the left hand side here, is a table or a graphic showing the fats that tend to have beneficial impacts on health.

    回到之前的观点,脂肪有坏有好,看向左边,这是个表格或者说图表,上面展示了对我们身体有益的脂肪

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  • 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

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