坚持教研结合、提高学习积极性——疫情下的结构化学教学实践

doi:10.3866/PKU.DXHX202004064

Abstract

Abstract:

Owing to the control and prevention of novel coronavirus, "online teaching" is generally suggested. The online teaching quality depends on teaching skills and students' enthusiasm. The teaching practice of structural chemistry based on teaching and research activities, electronic records, group sharing and course ideology are introduced.

Key words: Structural chemistry, Teaching and researching activities, Electronic record, Group sharing, Course ideology

Shuang Mao. Teaching Practice of Structural Chemistry under the Novel Coronavirus: Combining Teaching and Research to Improve Learning Enthusiasm[J].University Chemistry, 2020, 35(5): 158-163.

Figures/Tables 4

References 11

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题目	知识点	正确率	辅导方法
1.对于氢原子和类氢离子的径向分布曲线D(r)–r图，下列叙述错误的是：()。	(1)氢原子与类氢离子波函数； (2)径向波函数与径向分布函数；	65%	微课评讲
A.径向峰数与节面数都与n、l有关；B.核周围电子出现的几率为0；C. l相同，n愈大，则最高峰离核愈远；D.最高峰所对应的r处，电子出现几率密度最大。	(3)波函数的几率与几率密度； (4)径向分布函数的图形。
2. He⁺离子的一个电子处于总节面数为3的d态，请问该电子的能量为：()。	(1)氢原子与类氢离子能量与主量子数、核电荷数的关系；	60%	微课评讲
A. -1R；B. -(1/9)R；C. -(1/4)R；D. -(1/16)R。	(2)主量子数与节面的关系。
3.某氢原子基态波函数为： $\psi=\frac{1}{8 \sqrt{2 \pi}}\left(\frac{1}{a_{0}}\right)^{3 / 2}\left(\frac{r}{a_{0}}\right) \mathrm{e}^{-r / 3 a_{0}} \sin ^{2} \theta \cos 2 \phi $ ，则：()。	(1)氢原子与类氢离子波函数；(2)波函数的量子数；(3)节面的个数与形状。	88%	个别沟通
A.径向节面有一个；B.球面节面有两个； C.角度节面有一个；D.总节面有两个。
4.氢原子的波函数为ψ_{3, 2, 1}，则轨道能量=___eV，轨道角动量的大小= ___ (h/2π)，轨道角动量在磁场方向的分量= (h/2π)。	(1)氢原子与类氢离子波函数； (2)量子数与能量、角动量、角动量的分量之间的关系。	65%	微课评讲
5.写出Li²⁺离子的薛定谔方程及基态能量(以eV为单位)。	(1)氢原子与类氢离子的薛定谔方程； (2)基态波函数与能量。	88%	个别沟通

项目	选项1	选项2	选项3	选项4
1.分享活动对学习的帮助	很有帮助 10.0%	比较有帮助 57.5%	一般 30.0%	基本没有帮助 2.5%
2.分享活动能否提高学习的兴趣	很好地提高兴趣 15.0%	能够提高兴趣 57.5%	一般 27.5%	不能够提高兴趣 0%
3.分享活动希望参与的环节	分享活动的主持 10.0%	分享活动的文献收集 32.5%	分享活动PPT的制作 7.5%	思维导图的制作 50.0%
4.分享活动中感兴趣的环节	章节知识思维导图 20.0%	科学家的故事与科学史 32.5%	章节知识的拓展 2.5.0%	同学置疑，教师答疑 45.0%
5.分享活动评价中最关注的点	知识性 48.7%	启发性 41.0%	吸引力 7.7%	分享的形式 2.6%
6.希望分享活动提高的内容	章节知识的总结 33.3%	章节典型习题的分享 25.6%	章节科学家的故事 5.2%	章节疑难点的提出 35.9%
7.分享活动的形式(多选)	讨论 52.5%	辩论 37.5%	演讲 15.0%	角色扮演 40.0%
8.分享活动提高的能力(多选)	学习能力 55.0%	协作能力 60.0%	沟通能力 15.0%	表达能力 23.3%

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Teaching Practice of Structural Chemistry under the Novel Coronavirus: Combining Teaching and Research to Improve Learning Enthusiasm

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