Matter, Atomic Structure, and Bonding: Bonding

The Lesson 26 PowerPoint introduced students to the four models of chemical bonding.  Students also received a handout of the models with additional information.  After the PowerPoint, students worked in pairs to organize the Substance Cards and recorded their learning on the Lesson 26 worksheet (one per student pair).

Note: worksheet question #8 asked students about elemental substances.  We did not have time at the end of class to explore the topic, so we will discuss briefly tomorrow during class.  Examples of elemental substances are molecular oxygen (O2) and molecular hydrogen (H2), both of which consist of two covalently bound atoms of the same element.  An elemental substances consists of two or more atoms of the same element.

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