化学 / Chemistry

元素周期表

Periodic Table

元素周期表（Periodic table）是物理设备层中的真实知识点；参考资料将其年代记为1869 年。

Knowledge type: 物理设备
First proposed or discovered: 1869
Proposer: 历史记录与科学共同体
Creator: Polytech Tree dataset
Last updated: 2026-10-12 07:25:30

Sub-knowledge points

Modern Atomic Theory / 自然理论

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重要度：1参考分类：化学

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https://en.wikipedia.org/wiki/Periodic_tableOpen source

https://github.com/secwind7/polytech-treeOpen source

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Seed recordPolytech Tree dataset2026-09-23 08:49:25

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