Curated OER
The Periodic Table
A huge collection of slides introduces chemistry learners to the periodic table of elements, electron configuration, and electronegativity. It opens with the history of today's periodic table, and then details the arrangement. After...
Chem4kids
Chem4 Kids: Transition Metals
This site provides an excellent overview of transition metals, focusing on what makes them special.
Chem Tutor
Chem Tutor: Chemistry: The Octet Rule as Seen on the Periodic Chart
Describes the Octet Rule as it pertains to the Groups 1-7 on the Periodic Table of Elements. It also provides a Sideways Periodic Chart With Electron Shell Numbers.
McGraw Hill
Mc Graw Hill: Transition Elements: Self Assessment Quiz 2
A self-assessment quiz accompanying Chapter 23 of the text, Chemistry: The Molecular Nature of Matter and Change, Fifth Edition. The title of the chapter is "The Transition Elements and Their Coordination Compounds."