Simon Fraser University
Chem1 Virtual Textbook: Periodic Trends in Ion Formation
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses electron affinity and ionization energy in relation to ion formation. Charts and graphs are included as well.
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...
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.
CK-12 Foundation
Ck 12: Trends in the Periodic Table
[Free Registration/Login may be required to access all resource tools.] Students investigate specific properties that can be predicted by an element's position on the periodic table. Additionally, they will look at the formation of ions,...
Sophia Learning
Sophia: Period Trends: Ionic Size: Lesson 3
This lesson will explain how the ionic radius changes over representative elements across rows and up and down columns on the periodic table. It is 3 of 3 in the series titled "Period Trends: Ionic Size."
Ohio State University
Ohio State University: Electron Affinity
This page describes electron affinity and the periodic trends of the elements according to their positions on the periodic table.
Sophia Learning
Sophia: Period Trends: Ionic Size: Lesson 1
This lesson will explain how the ionic radius changes over representative elements across rows and up and down columns on the periodic table. It is 1 of 3 in the series titled "Period Trends: Ionic Size."
CK-12 Foundation
Ck 12: Chemistry: Ionic Radii
[Free Registration/Login may be required to access all resource tools.] Covers ionic radius, determination of ionic radius, and trends in ionic radii.