Objectives+Ch3

Objectives Chapter 3

Section 3.1 a) Summarize the steps in the historic development of the periodic table. b) Predict similarities in properties of the elements by using the periodic table.

Section 3.2 a) Relate an element's valence electron structure to its position on the periodic table. b) Use the periodic table to classify an element as a metal, nonmetal, or metalloid. c) Compare the properties of metals, non-metals, and metalloids.