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专题解读本专题的重点是元素周期律和元素周期表,要深刻地理解并运用它们,必须用有关原子结构、核外电子排布的知识作基础。由于这部分内容,概念较多,知识点繁杂,建议可以采用“三多”的方法复习。第一,多联系(宏观与微观联系)。物质结构与元素周期律知识中处处都体现着宏观与微观的统一。就像HClO_4具有强酸性、HCl是稳定的氢化物、Cl_2
Thematic Interpretation The topic focuses on the periodic law of the elements and the periodic table of the elements. To understand and apply them profoundly, we must base our knowledge on atomic structures and extranuclear electron arrangements. Because of this part of the content, more concepts, complex knowledge points, it is recommended that you can use the “more than three” approach to review. First, more contact (macro and micro). The material structure and periodic knowledge of the elements reflect the unification of the macro and the micro everywhere. Just as HClO_4 is strongly acidic, HCl is a stable hydride, Cl_2