Environmental Chemistry
Environmental chemistry.com: Periodic Table Rhodium
Great source of information on rhodium. Very thorough.
Web Elements
Web Elements Periodic Table: Rhodium
This WebElements Periodic Table site offers an excellent summary of data on rhodium, its description and properties.
Other
Reade International Corp.: Rhodium (Rh) Metal & Powder
Summary of information on the chemical and physical properties of Rhodium. It also includes a table summarizing its properties.
Florida-Spectrum Environmental Services
Florida Spectrum: Chemical Fact Sheet: Rhodium
Nice thorough entry on rhodium from SpectrumLabs, its properties and uses.
TED Talks
Ted: Ted Ed: Rhodium: Periodic Table of Videos
The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about rhodium, an incredibly rare metal in nature. [4:59]
University of Kentucky
Uk: Rhodium Comics
Comic featuring rhodium Possible visual for a presentations
Royal Society of Chemistry
Royal Society of Chemistry: Rhodium
Short descriptive entry on rhodium, with a couple of interesting facts.
Chemicool
Chemicool: Rh45 Rhodium
Set of tables from Chemicool summarizing many physical and chemical properties of rhodium.
Corrosion Source
Corrosion Source: Rhodium
Gives good basic information on rhodium, its history, sources, uses and properties.