Lesson: Metals, Nonmetals, and Metalloids Chemistry • Second Year of Secondary School

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In this lesson, we will learn how to describe, compare, and explain the physical and chemical properties of metals, nonmetals, and metalloids.

Students will be able to

describe the location of the three classes of elements in the periodic table in order to illustrate a stepped line that divides metals from nonmetals,
list the general properties of metals and nonmetals and acknowledging common exceptions,
link the properties of metals and nonmetals to their uses,
use the particle model of solids to illustrate the properties of ductility and malleability in metals,
recall the positions of the metalloids on the periodic table,
compare the properties of metalloids to neighboring metals and nonmetals in order to understand the application of metalloids for their uses.