Early versions did not list an element for every atomic number.
早期的版本并没有为每个原子序数列出一个元素。
Early versions had the incorrect atomic number for some elements.
早期版本的一些元素原子序数不正确。
Then, there'd be an atomic number, for which there was no known element.
然后会出现原子序数，代表了未知元素。
It is arranged according to increasing atomic number, which is the number of protons in each atom of an element.
它是根据原子序数的增加来排列的，原子序数是一种元素单个原子的质子数。
The prediction was that an element with the same atomic number existed somewhere, but it just hadn't been found yet.
据预测，某个地方存在一种原子序数相同的元素，但它还没有被发现。
Here is atomic radius versus atomic number.
这是原子半径和原子序数。
The electrode is made of high atomic number metal.
电离室电极用高原子序数的金属制造。
An element's atomic number is the number of protons in its nucleus.
一种元素的原子序数是其原子核中的质子数。
What I am looking at here is boiling point as a function of atomic number.
我在看的是非典，作为原子序数的功能。
Boron: Semimetallic chemical element, chemical symbol b, atomic number 5.
硼：半金属的化学元素，化学符号B，原子序数5。
Iodine: Nonmetallic chemical element, chemical symbol I, atomic number 53.
碘：非金属化学元素，化学符号I，原子序数53。
One of them here I happened to choose is boiling point versus atomic number.
其中之一，我已经选择的是，沸点及原子序数。
Phosphorus Nonmetallic chemical element, chemical symbol P, atomic number 15.
非金属化学元素，化学符号P，原子序数15。
With six protons and six neutrons, carbon normally has an atomic number of 12.
具备6个质子和6个中子，碳原子数通常为12。
No change in atomic number is possible without a radical change in properties.
性质不发生根本的改变，原子序数的改变是不可能的。
It is on the periodic table of elements under the symbol Bi at atomic number 83.
在元素周期表里序列号是83，标志是BI。
PROFESSOR: five — there's five valence electrons, but the atomic number is actually seven.
教授：5，有5个价电子，但原子序数是7。
Compared with iodine, Gold has a larger atomic number and X-ray absorption coefficient.
金与碘相比，有着更高的原子序数和X射线吸收系数。
What you see is that the radius changes with atomic number for constant electron number.
对于等电子数的粒子，离子半径随着，原子数的变化而变化。
Potassium: chemical element, one of the alkali metals, chemical symbol k, atomic number 19.
钾：一种碱金属化学元素，化学符号k，原子序数19。
The electron range increases with decreasing atomic number and increasing incident beam energy E0.
电子射程随着原子序数的减少和入射束能量e0的增加而增加。
They have the same atomic number and hence nearly identical chemical behaviour but different atomic masses.
它们有相同的原子序数，因此化学行为几乎完全一样，但原子量不同。
That is why this says atomic number, but for most intents and purposes we can say this could be atomic mass.
那就是为什么这里说原子序数，但如果没有意图和目的，我们就说是原子质量。
Atomic number 18, atomic weight 39. 948, is a rare gas. 1894 by the British chemist Rayleigh and Ramsay found.
原子序数18，原子量39。948，是一种稀有气体。1894年由英国化学家瑞利和拉姆赛发现。
This is because even though z, the atomic number is still increasing, we are also getting further away from the nucleus.
从有效核电量方面来想一想为什么，这是因为，尽管，Z，原子序数依然在变大，但我们同时也在离原子核越来越远。
But right now I am going to give it to you as Mendeleev enunciated it. Atomic number, we will learn later, is the improvement.
但是现在我就要告诉你们，门捷列夫发表了它，原子序数，我们之后会学到，那是很大的进步。
The density measurement technology of foam material with low atomic number was established by low energy X-ray radioscopy .
采用低能X射线对低原子序数泡沫样品进行透射照相，以胶片作为记录介质，对材料密度进行测量。
However, you also want to include the name, symbol, atomic number, and atomic weight; you can select each of these by using an.
不过，我们还希望填充一些元素名、元素符号、元素号和原子量，可以在模板中使用。
However, you also want to include the name, symbol, atomic number, and atomic weight; you can select each of these by using an.
不过，我们还希望填充一些元素名、元素符号、元素号和原子量，可以在模板中使用。
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