See also:

• Science: Chemistry: Elements: Transition Metals  (3)

• ChemGlobe: Zirconium - Electronic, thermal, and steric data along with an isotope table.
• ChemicalElements.com: Zirconium - Basic information, atomic structure, and isotopes.
• EnvironmentalChemistry.com: Zirconium - Atomic structure, chemical and physical properties, and table of nuclides.
• It's Elemental: Zirconium - Basic physical and historical information.
• LANL: Zirconium - History, isotopes, properties, and uses.
• Lenntech: Zirconium - Physical data, chemical properties, health and environmental effects.
• USGS Minerals Information: Zirconium - Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
• Visual Elements: Zirconium - Image, uses, physical information, and ionisation energies.
• WebElements: Zirconium - Extensive information on history, uses, occurrence, compounds, and properties of the element.
• Wikipedia: Zirconium - Properties of the element, including its history, applications, and characteristics.

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