Does that explain why it was missing in the periodic table?
这能解释为什么它在元素周期表中缺失了吗？
Early versions of the periodic table had gaps, missing elements.
早期的元素周期表有空缺，缺少一些元素。
Professor Harrison, were you saying that the periodic table is predictive?
哈里森教授，你是在说周期表是可以预测的吗？
For example, tellurium comes before iodine in the periodic table, even though its atomic mass is slightly greater.
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。
In fact, subsequent work has shown that in a periodic table, elements should not be ordered strictly by atomic mass.
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。
They're black with colored elements of 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。
As an example, consider the periodic table expressed in XML.
比如，考虑一下用XML表示的元素周期表。
And I put a periodic table up there, just the part you might need to look at.
我在上面放了一张周期表，只放了可能要用到的一部分。
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。
Suppose you want to format this code as a typical cell of a periodic table, as Figure 1 shows.
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。
By looking at the periodic table it's right underneath oxygen, so those both have 6 valence electrons.
通过查周期表可以看到它就在氧的正下方，因此它们两个都有六个价电子。
So you should be able to look at your periodic table and see this, or also I've written the trend here.
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。
Lithium is the third-lightest element on the periodic table, which allows for far greater energy density.
锂是元素周期表第三“轻”的元素，这使得锂具备更高的能量密度。
AS WELL as being close to each other on the periodic table, copper, nickel and zinc share several traits.
铜（29），镍（28），锌（30）在化学周期元素表中紧挨着彼此，并且它们还拥有一些相同的特性。
Arsenic sits right beneath phosphorus in the periodic table of the elements and shares many of its chemical properties.
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。
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。
"In case you're ever in a bind and need to calculate a molecular weight, here's a periodic table for your wallet," she told him.
还对他说：“这是个元素周期表，你可以放到钱包里，以防需要计算分子质量，你又想不起来的尴尬场面。”
Two new elements have been added to the periodic table after a three-year review by the governing bodies of chemistry and physics.
经过3年的研究，元素周期表上又增添了2种元素。
Boffins were busily filling in the blanks in the periodic table and probing unknown atomic phenomena (like radioactivity and bonding).
科学家们忙于填补元素周期表的空白、探索未知的原子现象(如放射性和键合)。
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。
And the fast-talking industrialist has exhausted the rest of the periodic table looking for an element that is a safer power source than palladium.
但这位语速飞快的工业奇才已经翻遍了元素周期表，也找不出一种比钯更安全的替代元素。
Similar predictions were made later, by Andreas von Antropoff (1924) and by Linus C. Pauling (1932), based on chemical trends in the periodic table.
后来，安德里亚凡安绰波夫(Andreasvon Antropoff)在1924年，利诺斯·卡尔·鲍林(Linus C . Pauling)在1932年，都做出了类似预测。预测的依据是：周期表里的化学趋势。
When Dmitri Mendeleev devised his periodic table in 1869, it contained 63 elements; a similar chart in a chemistry classroom now has up to 118 entries.
门捷列夫于1869年制定周期表时，表中包含63个元素，而现在化学课堂中一个类似的图表元素已多达118个。
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？
The new element, which has yet to be named, slips into a place on the periodic table between elements 116 and 118, both of which have already been discovered.
新元素目前尚未被命名，放入元素周期表的116号和118号元素之间的位置，这两者都已经被发现。
Mythological characters that can be found on the periodic table include Tantalus (Tantalum, ta) and his daughter Niobe (Niobium, Nb), and Promethius (Promethium, Pm).
元素表中可以找到神话中的角色，比如坦塔罗斯(钽)和他的女儿尼俄伯(铌)，还有普罗米修斯(钷)。
In recent years, there have been several claims by laboratories for the discovery of new chemical elements at positions 113, 114, 115, 116 and 118 on the periodic table.
最近几年，有几个实验室声称自己在元素周期表的113,114,115,116和118位置上发现了新的元素。
That is an extraordinary finding, and it prompts the question of whether previously unsuspected battery materials might be lurking at the heavier end of the periodic table.
这是个非同凡响的发现，这个发现也提出了一个问题。是否还有以前没想到的，潜伏在元素周期表末端的电池材料？
That is an extraordinary finding, and it prompts the question of whether previously unsuspected battery materials might be lurking at the heavier end of the periodic table.
这是个非同凡响的发现，这个发现也提出了一个问题。是否还有以前没想到的，潜伏在元素周期表末端的电池材料？
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