| ChemGlobe: Plutonium: Electronic, thermal, and steric data along with an isotope table. |
| Chemical Elements.com - Plutonium (Pu): Information on the chemical properties of plutonium, as well as its electron cloud diagram. |
| Chemlab: Plutonium: Gives a quick reference to the chemical properties of Plutonium, as well as an extensive list of its isotopes. |
| EnvironmentalChemistry.com: Plutonium: Atomic structure, chemical and physical properties, and table of nuclides. |
| It's Elemental: Plutonium: Basic physical and historical information. |
| LANL: Plutonium: Isotopes, uses, properties, and hazards. |
| Lenntech: Plutonium: Physical data, chemical properties, health and environmental effects. |
| Periodic Table : Scholar edition: Plutonium : Index of properties: Extensive information about nearly every chemical property of plutonium. |
| plutonium: Information about the history and properties of plutonium in paragraph form. |
| Plutonium: Provides a number of data tables with plutonium's chemical properties. It also contains an extensive history of plutonium. |
| Radiochemistry of Plutonium: Full text of the monograph by George H. Coleman (University of California, Lawrence Radiation Laboratory, Livermore, California). [PDF] |
| Superconductor: Plutonium: Describes the way that scientists found a way to use plutonium as a supercondutor. |
| TCAEP.co.uk: Science: Periodic Table: Elements: Plutonium: A concise table of the chemical properties of plutonium. Also includes the spelling of its name in several European languages. |
| The Actinide Research Quarterly: Winter 1997 : On the Disposal of Plutonium: An article that is an interview with a leading scientist on the disposal of plutonium. |
| Visual Elements: Plutonium: Image, general and physical information, source, uses, and key isotopes. |
| Webelements : Plutonium: Gives extensive information concerning Plutonium, including its compounds, history, and properties. |