EnvironmentalChemistry.com: Cadmium (Popularity: )

Atomic structure, chemical and physical properties, and table of nuclides.

Lenntech: Cadmium (Popularity: )

Physical data, chemical properties, health and environmental effects.

Visual Elements: Cadmium (Popularity: )

Image, uses, physical information, key isotopes, and ionisation energies.

USGS Minerals Information: Cadmium (Popularity: )

Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).

It's Elemental: Cadmium (Popularity: )

Basic physical and historical information.

WebElements: Cadmium (Popularity: )

Extensive information on history, uses, occurrence, compounds, and properties.

Wikipedia: Cadmium (Popularity: )

Properties of the element, including its history, applications, and charateristics.

ChemicalElements.com: Cadmium (Popularity: )

Basic information, atomic structure, and isotopes.