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Chinese Journal of Chemical Education  2023, Vol. 44 Issue (19): 46-56    DOI: 10.13884/j.1003-3807hxjy.2022050066
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Exploring the Structure of Combustible Ice: Analyze, Explain and Predict the Spatial Structure of Molecules
LI Ran, ZHENG Yue, LIN Hong-Yan**
Beijing Jingshan School, Beijing 100006, China
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Abstract  Under the concept of “structure determines nature”, this course is based on the “exploring the structure of flammable ice” to teach “using multiple theoretical models to analyze, explain and predict the spatial structure of molecules”,taking “combustible ice” as the object of study. Through three core activities including “recognition of methane molecule, using ‘balloon’ to recognize water molecule and recognition of ‘ice cage’ consisted of water molecule”, this course constructs a thinking path, which utilizes hybrid orbital theory model and hydrogen bond model jointly to interpret molecule structure and utilizes valence shell electron pair theory model to predict molecule structure. The final goal is to reveal the diversity and complexity of the covalent molecule through the process of solving actual problems.
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LI Ran
ZHENG Yue
LIN Hong-Yan
Key wordscombustible ice      orbital theory      valence shell electron pair repulsion theory      hydrogen bond     
    
Cite this article:   
LI Ran, ZHENG Yue, LIN Hong-Yan. Exploring the Structure of Combustible Ice: Analyze, Explain and Predict the Spatial Structure of Molecules[J]. Chinese Journal of Chemical Education, 2023, 44(19): 46-56.
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