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Free STEM Websites for Grades 6-12: Middle School and High School

The mini lesson describes the Lewis Dot structure. It provides examples of how to identify valence electrons and how to draw the Lewis Dot structures. A worksheet is included for students to be able to practice drawing the Lewis Dot structures. In addition to practice, the worksheet could be used for testing.

TEST: The Periodic Table, Placement, and Properties

A performance indicator (test/quiz/worksheet) covering Physical Properties of Metals, Nonmetals, and Metalloids and their placement in the Periodic Table of Elements. This quiz also covers the properties and placement of the other classified groups of the periodic table.