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一、依据课本全面复习复习务必依据课本对已学知识作一回顾,再根据每一章后的“内容提要”进行对照。例如,关于“核外电子的排布”可结合自己对其规律,即各电子层最多容纳电子数目为2n2,最外层不超过8个(K为最外层时不超过2个),次外层不超过18个电子等是否掌握,能否熟练地画出核电荷数1-18号元素的原子结构示意图,以及Na、K、Al、Cl、N、O、S等离子的结构示意图等。这样也就明白了哪些内容已经理解并掌握,哪些知识仍比较生疏,以便针对薄弱环节和知识缺陷,进行有效系统的复习。
First, a comprehensive review of the textbook should be based on the textbook to review the knowledge has been learned, and then according to each chapter after the “summary” to control. For example, regarding the “arrangement of electrons outside the nuclear system”, one can combine its own rules, that is, the maximum number of electrons that can be accommodated in each electron layer is 2n2, and the outermost layer is no more than 8 (K is not more than 2 when it is the outermost layer). Whether or not the secondary outer layer has more than 18 electrons etc. Is it possible to skillfully draw the schematic diagram of the atomic structure of the nuclear charge numbers 1-18, and the schematic diagram of the structures of Na, K, Al, Cl, N, O, and S ions? Wait. In this way, it also understands what content has been understood and mastered, and which knowledge is still relatively unfamiliar, so that effective and systematic review of weaknesses and knowledge defects can be conducted.