Session S39b (Tuesday, 2pm, Thomas 117)

P497: Student understanding of bonding as measured by the Bonding Representations Inventory

Cynthia Luxford, Stacey Lowery Bretz (Miami University, USA)

The abstract nature of covalent and ionic bonding creates several challenges for students as they learn chemistry.  Teachers use multiple representations, including Lewis Structures, space-filling models, and 3-D manipulatives, to communicate the concept of bonding. As students learn to interpret these representations, they may develop misconceptions. The Bonding Representations Inventory (BRI) was designed to measure the prevalence of misconceptions about bonding representations that were detected through student interviews. The beta version of the BRI was administered to high school chemistry students.  Preliminary results, including the prevalence of some misconceptions about bonding that are held by high school chemistry students, will be discussed.


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