Session S5a (Sunday, 2pm, Life Sciences 009)

P26: Impact of using computer models on student learning of molecular geometry in general chemistry

Tammy Gummersheimer (Schenectady County Community College, USA)

A molecular geometry project was developed as a laboratory activity in an effort to learn about the impact of computer models (Models 360) versus ball and stick models on student learning of molecular geometry and molecular polarity in general chemistry.  All students in different lab sections used either ball and stick or Models 360 to complete the lab exercise.  All  students answered the same exam questions regarding molecular geometry and polarity.  The results of this research project will be discussed in terms of whether using computer generated models help students better understand molecular polarity and the effect of lone pairs of electrons on molecular shape and bond angles.


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