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门捷列夫的化学元素周期律是一个伟大的自然法则,它揭露了物质世界的秘密,反映了化学元素的相互联系和相互依赖关系。周期律把看来似乎是互不相关的元素统一起来,构成了一个统一完整的自然体系——化学元素周期系。周期系是门捷列夫化学元素周期律的具体表现方式,它对化学的继续发展起着極其重要的作用。自门捷列夫化学元素周期律的本質被阐明以后,遂确定了化学元素性質的周期性变化是原子结构中周期性的反映。因此,一种能够清楚地表示原子电子结构的周期系的设计实在是必要的。这一问题也会引起不少学者的重视,
Mendeleev’s periodic law of chemical elements is a great law of nature that reveals the secrets of the physical world and reflects the interrelation and interdependence of chemical elements. The periodic law unifies elements that appear to be unrelated to each other and forms a unified and complete natural system - a periodic system of chemical elements. Periodic system is the specific manifestation of Mendeleev’s periodic law of chemical elements, which plays an extremely important role in the continuous development of chemistry. Since the nature of the periodic law of the chemical elements of Mendeleev has been elucidated, it has been determined that the periodic variation of the chemical elemental properties is a periodic reflection of the atomic structure. Therefore, it is necessary to design a periodic system that can clearly represent the atomic electronic structure. This issue will also arouse the attention of many scholars,