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?
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。
So, the vast majority of elements in the periodic table are metals.
所以,元素周期表中的大部分,都属于金属。
Carbon occupies the sixth place in the periodic table of chemical elements.
碳在化学元素周期表中排第六位。
In the periodic table of elements, each element has its own place and number.
周期表中,各个元素都有自己的位号。
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。
Boron, the prototypical electron-deficient element in the periodic table, is well-known for multicenter bonds.
硼作为周期表中典型的缺电子元素,易于形成多中心离域键。
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。
It is difficult to separate from niobium, the element above it in the periodic table, with which it shares many properties.
很难将它与铌分开,铌是周期表中钽的上面一个元素,两者具有许多共同的性质。
Transuranium element Any of the chemical elements after uranium in the periodic table (with atomic Numbers greater than 92).
周期表中铀以后的任何化学元素(原子序数大于92)。
The next heaviest element in the periodic table, the inert gas helium, is used for detecting cracks in pressure vessels and the like.
而在周期表里此行最重的元素,惰性气体氦,用于压力舱那类东西的小裂缝。
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)。
Lanthanide: Any of the series of 15 consecutive chemical elements in the periodic table from lanthanum to lutetium (atomic numbers 57-71).
镧系:周期表中从镧到镏(原子序数57~71)15种按顺序排列的化学元素系列。
The concept of Geochemical Field of the elements is derived from the point mentioned above and the locations of the elements in the periodic table.
据此并结合元素在周期表中的位置,得出了元素地球化学场的概念。
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。
The intrinsic (sub)shell structure and core (valence) shell structure of atoms from the first- to the fifth- row in the periodic table are evaluated.
依据该理论,对前五周期原子的内禀(亚)壳层结构、内实(价)壳层结构进行了研究。
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。
Versus looking at, for example, helium or neon or argon, these are all inert gases, inert meaning essentially do not react, those were grouped together in the periodic table.
相反,他发现氦,氖,氩,都是惰性气体,惰性的意思是基本不参与化学反应,因此把它们放在周期表中的同一类里。
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。
The highest known magic number for neutrons alone is 126. Lead, with 82 protons and 126 neutrons, is thus "doubly magic" and the heaviest stable isotope in the periodic table.
目前已知的最大中子数是126,82个质子和126个中子组成了元素周期表中最重最稳定的同位素。
To see whether the next magic number is nearby in the periodic table, the experimenters will now try to produce element 120 by bombarding a plutonium target with a beam of iron ions.
无论下一个数字是否就在元素周期表的附近,实验人员都将会尝试通过用一束铁离子轰击钚来制造120号元素。
So basically, at the time he was just going on size and then traits, but what we actually know today is that we can also order things in the periodic table by electron configuration.
基本上,在当时他只能通过大小,和特性来进行,但是现在我们已经知道了,我们还可以通过电子排布来对它们进行排序。
Locals claim that there are enough lakes and rivers in the region for each inhabitant to have one of each. They are fond of boasting that the region contains every element in the periodic table.
本地人说,这里的湖泊和河流多得可以让每个居民分得一份;他们也喜欢炫耀这个地方有元素周期表上的每一种元素。
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。
In places, the water table is declining at a rate of a meter a year, necessitating the periodic deepening of wells and the use of ever-more-powerful pumps.
在一些地方,水位正以每年一米的速度下降,需要定期加深井并使用更强大的水泵。
And then, just so that you will be literate in the rest of the Periodic Table, if you look at the higher ones, this is how you name them.
然后,你对周期表的,其他方面也都知道了,如果你观察高一点的元素,这是你们叫它们的方式。
And then, just so that you will be literate in the rest of the Periodic Table, if you look at the higher ones, this is how you name them.
然后,你对周期表的,其他方面也都知道了,如果你观察高一点的元素,这是你们叫它们的方式。
应用推荐