ChemicalElements.com: Zinc
Basic information, atomic structure, and isotopes.
EnvironmentalChemistry.com: Zinc
Atomic structure, chemical and physical properties, and table of nuclides.
General Information of Zinc
Contains basic information of history, sources, production, uses, health, and effects of Zinc deficiency.
It's Elemental: Zinc
Basic physical and historical information.
Lenntech: Zinc
Physical data, chemical properties, health and environmental effects.
USGS Minerals Information: Zinc
Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
Visual Elements: Zinc
Image, animation, physical information, and key isotopes.
WebElements: Zinc
Extensive information on history, uses, occurrence, compounds, and properties of the element.
Wikipedia: Zinc
Properties of the element, including its history, applications, and characteristics.