原子序数（atomic number）是指元素在周期表中的序号，符号为Z，在数值上等于原子核的核电荷数（即质子数）或中性原子的核外电子数。例如碳的原子序数是6，它的核电荷数(质子数)或核外电子数也是6。
原子序数 [yuán zǐ xù shù]
网络释义专业释义
短语
原子序数修正 atomic number correction
原子和原子序数 Atoms and Their Atomic Numbers
有效原子序数规则 Effective atomic number rule ; EAN law
高原子序数玻璃 high z glass
高原子序数物质 high z number material
低原子序数材料 low-atomic-number material
偶原子序数元素 even-Z element ; element even-z
有效原子序数法则 [化学] effective atomic number rule
奇原子序数元素 element odd-Z
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atomic number - 引用次数：8 参考来源 - 类硅烯硅烯结构和反应的理论研究proton number
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atomic number - 引用次数：2
Rare earth elements (REEs) consist of lanthanide series with atomic numbers from 57 to 71, as well as Scandium(atomic number 21) and Yttrium(atomic number 39). REEs comprise seventeen elements in all.
稀土是指原子序数从57到71的镧系元素以及与其同族的钪和钇，共有17个元素。
参考来源 - 稀土元素在生物体内的积累及遗传毒理研究
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双语例句原声例句
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早期版本的一些元素原子序数不正确。
Early versions had the incorrect atomic number for some elements.
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然后会出现原子序数，代表了未知元素。
Then, there'd be an atomic number, for which there was no known element.
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And, at the other extreme, we have elements with very high value, elements with high average valence electron energy.
另外，在另一端，我们有原子序数较大的元素，这些元素有着较高的平均化合价和电子能。
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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。
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So here we have that graphed here, Z we have atomic number z graphed against ionization energy, so, let's fill in what the actual atoms are here, and we can see in general, yes, we're following the trend.
这就是我们要画的，横坐标是原子序数，纵坐标是电离能，让我们把真正的原子填上去，我们可以看出，总体来说，没错，满足规律。
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