Matter, Atomic Structure, and Bonding: Atomic Number and Atomic Mass

We continued our study of the atom by learning about the relationship between atomic number and atomic mass.  Before launching into the Lesson 12 PowerPoint, we paused and reviewed student questions about the Lesson 11 Worksheet.  We focused primarily on questions 3 and 5 from the worksheet, with responses drawn on the white board (pictured below, with the answer for question 3 on the left side of the board and question 5 on the right).

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The questions nicely led into the Lesson 12 PowerPoint, after which students had the remainder of the class period to complete the Lesson 12 Worksheet.  Aside from reviewing Lesson 12 in the textbook and reading Lesson 13 in preparation for class tomorrow, there was no additional homework assigned for this evening.

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