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Nimmermark, Anders; Ohrstrom, Lars; Mårtensson, Jerker; Davidowitz, Bette – Chemistry Education Research and Practice, 2016
Almost 700 Swedish and South African students from the upper secondary school and first-term chemistry university level responded to our survey on concepts of chemical bonding. The national secondary school curricula and most common textbooks for both countries were also surveyed and compared for their content on chemical bonding. Notable…
Descriptors: Chemistry, Scientific Concepts, Concept Formation, Science Instruction
Clauss, Allen D.; Nelsen, Stephen F.; Ayoub, Mohamed; Moore, John W.; Landis, Clark R.; Weinhold, Frank – Chemistry Education Research and Practice, 2014
We describe the logical flaws, experimental contradictions, and unfortunate educational repercussions of common student misconceptions regarding the shapes and properties of lone pairs, inspired by overemphasis on ''valence shell electron pair repulsion'' (VSEPR) rationalizations in current freshmanlevel chemistry textbooks. VSEPR-style…
Descriptors: College Freshmen, College Science, Chemistry, Textbook Evaluation
Zhou, Qing; Wang, Tingting; Zheng, Qi – Chemistry Education Research and Practice, 2015
The purpose of this study was primarily to explore high school students' cognitive structures and to identify their learning difficulties on ethanoic acid through the flow map method. The subjects of this study were 30 grade 1 students from Dong Yuan Road Senior High School in Xi'an, China. The interviews were conducted a week after the students…
Descriptors: Foreign Countries, High School Students, Secondary School Science, Chemistry