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Showing 301 to 315 of 1,542 results Save | Export
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Cheng, H. N.; Howell, Bob A. – Journal of Chemical Education, 2017
Polymer nomenclature is important because it is part of the language of polymer science and is needed for polymer identification, reference, and documentation. A primer on polymer nomenclature is provided herein for people new to the field or for instructional use. Both structurebased and source-based nomenclatures, together with trivial and trade…
Descriptors: Chemistry, Scientific Concepts, Undergraduate Students, Graduate Students
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Tyler, Sarah F.; Judkins, Eileen C.; Morozov, Dmitry; Borca, Carlos H.; Slipchenko, Lyudmila V.; McMillin, David R. – Journal of Chemical Education, 2017
Electronic spectra often exhibit vibronic structure when vibrational and electronic transitions occur in concert. Theory reveals (1) that orbital symmetry considerations determine specific roles played by the nuclear degrees of freedom and (2) that the vibrational excitation is often highly regiospecific, that is, attributable to an identifiable…
Descriptors: Science Instruction, College Science, Undergraduate Study, Inorganic Chemistry
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Vega Garzón, Juan Carlos; Magrini, Marcio Luiz; Galembeck, Eduardo – Biochemistry and Molecular Biology Education, 2017
Understanding metabolism and metabolic pathways constitutes one of the central aims for students of biological sciences. Learning metabolic pathways should be focused on the understanding of general concepts and core principles. New technologies such Augmented Reality (AR) have shown potential to improve assimilation of biochemistry abstract…
Descriptors: Metabolism, Biochemistry, Science Instruction, Scientific Concepts
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Venkataraman, Bhawani – Journal of Chemical Education, 2017
This paper describes a pedagogical approach to help students understand chemical bonding by emphasizing the importance of electrostatic interactions between atoms. The approach draws on prior studies that have indicated many misconceptions among students in understanding the nature of the chemical bond and energetics associated with bond formation…
Descriptors: Chemistry, Science Instruction, College Science, Undergraduate Study
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Joseph, Ariana; Budden, Katherine; Cisek, Richard; Tokarz, Danielle – Journal of Chemical Education, 2018
In a university third-year instrumental chemistry laboratory students build a laser based polarimeter for determining light scattering with commercially available optical components used in modern optics research laboratories. During this laboratory experiment, students learn that solutions containing molecules which scatter light also influence…
Descriptors: Chemistry, Science Instruction, Undergraduate Students, Error Patterns
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White, Nicholas G. – Journal of Chemical Education, 2018
This experiment prepares a large (M[subscript r]: 1821 g mol[superscript -1]) triple helicate complex quickly in one pot from inexpensive starting materials. The protocol illustrates the power of self-assembly in a simple manner that is suitable for second-year general chemistry students using reversible imine bond and metal-ligand bond formation.…
Descriptors: Science Instruction, Science Experiments, Chemistry, Science Laboratories
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Wilckowska Iwanek, Ewa; Glinski, Marek – Journal of Chemical Education, 2018
In this laboratory experiment, students performed thermogravimetric analysis (TGA) coupled with mass spectrometry (MS) of herbaceous materials (TGA-MS) and learned to analyze mass-loss curves, as well as identify common fragmentation ions. The experiment is the first one to present the application of TGA in a currently relevant topic: biomass…
Descriptors: Laboratory Experiments, Science Experiments, Science Laboratories, Measurement Equipment
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Mustafa Ugras – Journal of Baltic Science Education, 2018
The aim of the present research is to explain how the heuristics utilized by the students in a multiple choice examination on the general chemistry subject of "chemical bonding theories and molecular structures" caused biases on intuitive judgment and decision making processes, using the three characteristics of associative memory…
Descriptors: Thinking Skills, Preservice Teachers, Teacher Education Programs, Decision Making
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Lucas, Krista L. – Science Activities: Projects and Curriculum Ideas in STEM Classrooms, 2021
Molecular processes are highly complex, and are frequently difficult for high school and college students to comprehend. Because of the importance of visualization in learning, along with formative assessment of student understanding, utilization of 3D modeling software aids both educators and students alike. The activity described below required…
Descriptors: Molecular Biology, Science Instruction, Teaching Methods, Scientific Concepts
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Lohning, Anna E.; Hall, Susan; Dukie, Shailandra – Journal of Chemical Education, 2019
Students often approach biochemistry with a degree of trepidation with many considering it one of the more difficult subjects. This is, in part, due to the necessity of making visual images of submicroscopic concepts. Molecular interactions underpin most biological processes; therefore, mastering these concepts is essential. Understanding the…
Descriptors: Undergraduate Students, College Science, Biochemistry, Computer Peripherals
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Quílez, Juan – Studies in Science Education, 2019
This study consists of a categorisation of the vocabulary of chemistry, focusing on the terminological difficulties students face when learning this subject. Therefore, this classification intends to provide chemistry teachers an awareness of the language barriers students must overcome in their understanding of this scientific discipline. Two…
Descriptors: Chemistry, Science Instruction, Verbs, Vocabulary Development
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Agnello, Armélinda; Vanberg, Stéphane; Tonus, Céline; Boigelot, Bernard; Leduc, Laurent; Damblon, Christian; Focant, Jean-François – Journal of Chemical Education, 2020
Performing the identification of organic chemical compounds from a set of spectroscopic data gives the opportunity to students to develop critical thinking and problem-solving skills. In this context, we developed a student-centered methodology for teaching molecular structural analysis to first-year undergraduate students. This systematic…
Descriptors: Organic Chemistry, Science Instruction, Teaching Methods, Critical Thinking
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Mason, Kevin; Evans, Brian – Science Teacher, 2017
The "plasma membrane," which controls what comes in and goes out of a cell, is integral to maintaining homeostasis. Cell transport of small molecules across the cell membrane happens in several different ways. Some small, nonpolar molecules cross the plasma membrane along the concentration gradient directly through the "phospholipid…
Descriptors: Science Instruction, Secondary School Science, High School Students, Models
Das, Arijit – Online Submission, 2017
In this chapter text-based learning approaches have been highlighted by innovative and time economic way to enhance the interest of students who belong to the paranoia zone in Electronic Structure of Atoms and Molecules beneath Inorganic Chemistry of chemical science. In this pedagogical survey, I have tried to hub two (02) time economic…
Descriptors: Science Instruction, Molecular Structure, Inorganic Chemistry, Teaching Methods
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Bonafe, Carlos Francisco Sampaio; Bispo, Jose Ailton Conceição; de Jesus, Marcelo Bispo – Biochemistry and Molecular Biology Education, 2018
Metabolism involves numerous reactions and organic compounds that the student must master to understand adequately the processes involved. Part of biochemical learning should include some knowledge of the structure of biomolecules, although the acquisition of such knowledge can be time-consuming and may require significant effort from the student.…
Descriptors: Undergraduate Students, Biology, Nursing Students, Biochemistry
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