那么我的元素周期表是错的吗?
早期的元素周期表有空缺,缺少一些元素。
Early versions of the periodic table had gaps, missing elements.
这能解释为什么它在元素周期表中缺失了吗?
哈里森教授,你是在说周期表是可以预测的吗?
Professor Harrison, were you saying that the periodic table is predictive?
元素周期表的结构似乎限制了潜在元素的数量。
The structure of the periodic table appeared to limit the number of possible elements.
例如在元素周期表中,碲排在碘之前,尽管它的原子质量略大一些。
For example, tellurium comes before iodine in the periodic table, even though its atomic mass is slightly greater.
事实上,后来的研究已经证明,在元素周期表中,元素不应该严格按照原子质量来排序。
In fact, subsequent work has shown that in a periodic table, elements should not be ordered strictly by atomic mass.
他依然能够将元素周期表制作出来。
选个关于元素周期表的东西。
六种稀有气体在元素周期表的最右侧。
The six noble gases are found in the far right column of the periodic table.
为什么我们叫它周期表?
如果你们还没有周期表,可以到办公室来。
元素周期表的右半部分。
这就是元素周期表看上去的样子。
比如,考虑一下用XML表示的元素周期表。
As an example, consider the periodic table expressed in XML.
周四会有周期表测验。
列是周期表中有意思的部分。
It is the columns that are the interesting part of the table.
你需要默写周期表。
经过3年的研究,元素周期表上又增添了2种元素。
Two new elements have been added to the periodic table after a three-year review by the governing bodies of chemistry and physics.
这门课并不要求大家去背元素周期表,一点都不要求。
You will never in this class have to memorize anything about the periodic table.
它们是黑色的,中间还有些元素周期表上的彩色元素。
我在上面放了一张周期表,只放了可能要用到的一部分。
And I put a periodic table up there, just the part you might need to look at.
“周期表的所有元素都存在于这锅熔岩汤中,”西姆斯说。
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。
So as we go across the row, and this is my beautiful picture of a periodic table here.
假设要将这段代码格式化成周期表中的典型单元格,如图1所示。
Suppose you want to format this code as a typical cell of a periodic table, as Figure 1 shows.
《周期表的故事:元素的奇特经历》休•奥尔德-威廉姆斯著。
Periodic Tales: The Curious Lives of the Elements. By Hugh Aldersey-Williams.
大家应该能够通过查周期表,或者通过看我写在这里的趋势看出来。
So you should be able to look at your periodic table and see this, or also I've written the trend here.
在元素周期表中,砷就位于磷的下面,二者具有很多相同的化学性质。
Arsenic sits right beneath phosphorus in the periodic table of the elements and shares many of its chemical properties.
如果你点击课件,就会来到这个菜单,第一个选择就是周期表。
If you click on Courseware you will get to this menu, the first of which preferences is Periodic Table.
如果你点击课件,就会来到这个菜单,第一个选择就是周期表。
If you click on Courseware you will get to this menu, the first of which preferences is Periodic Table.
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