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,...
Google
Google for Education: Example: Patterns in the Periodic Table
A lesson plan where students examine the trends in the periodic table.
ClassFlow
Class Flow: Periodic Table Trend
[Free Registration/Login Required] This flipchart helps students learn about the periodic trend of Atomic Radius of Elements across a Period and down a Group.
Science Struck
Science Struck: Electronegativity Chart of Elements
Explains what electronegativity bonding is and presents a periodic table of elements that is color-coded to show electronegativity trends.
Science Struck
Science Struck: Molecular Compounds
Explains what a molecular compound is, how they are named, their properties, and the difference between ionic and molecular compounds. Includes a list of molecular compounds.