Curated OER
Periodic Trends
Students identify the different periodic trends. In this chemistry lesson, students discuss how elements are arranged in the periodic table. They apply what they have learned in a Jeopardy team game.
Other
University of South Carolina: Ionization Energy
First slide in a thorough presentation of ionization energy from a trend to an explanation of isoelectric series. Gives you practice problems as well.
CK-12 Foundation
Ck 12: Periodic Trends
[Free Registration/Login may be required to access all resource tools.] In the following online tutorail students will use the Periodic Table to identify and explain periodic trends, including atomic and ionic radii, electronegativity,...
Michael Blaber, PhD
Florida State Univ.: Periodic Properties of the Elements: Ionization Energy
Exceptional article from the Florida State University that will take you from start to finish. This article will answer all your questions about ionization energy as both a concept and trend.
Google
Google for Education: Example: Patterns in the Periodic Table
A lesson plan where students examine the trends in the periodic table.
Web Elements
Web Elements Periodic Table: Ionization Energy
This WebElements site allows you to create a periodic table that shows the relative ionziation energies of all elements. Great visuals!!
Web Elements
Web Elements Periodic Table: Electronegativity
Chart of Pauling electronegativity values versus atomic number. Colorful, pictorial explanation of this periodic trend.
Frostburg State University
General Chemistry Online: The Periodic Table
This is a teacher's companion guide with lesson plans for the periodic table. It includes learning objectives, lecture notes, links to related sites, answers to frequently asked questions, and a glossary of related terms.
Other
University of South Carolina: Periodic Trends
PowerPoint presentation that describes sizes of atoms in terms of isoelectric series as well as periodic trends. Includes information about sizes of ions and allows you to practice some problems on your own. Go to the index to choose...