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| | Calcium - Vitamins and Minerals, Nutrients, Nutrition, Health 5
Calcium - C, Drugs and Medications, Pharmacy, Health 14
Calcium - Vitamins and Minerals, Supplements, Nutrition, Health, Shopping 2
ChemGlobe: CalciumChemGlobe: Calcium
Electronic, thermal, and steric data along with an isotope table.
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ChemicalElements.com: CalciumChemicalElements.com: Calcium
Basic information, atomic structure, and isotopes.
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EnvironmentalChemistry.com: CalciumEnvironmentalChemistry.com: Calcium
Atomic structure, chemical and physical properties, and table of nuclides.
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It's Elemental: CalciumIt's Elemental: Calcium
Basic physical and historical information.
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LANL: CalciumLANL: Calcium
History, sources, properties, uses, and compounds.
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Lenntech: CalciumLenntech: Calcium
Physical data, chemical properties, and health effects.
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Visual Elements: CalciumVisual Elements: Calcium
Image, animation, source, uses, and physical information.
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WebElements: CalciumWebElements: Calcium
Extensive information on history, uses, occurrence, compounds, and properties of the element.
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Wikipedia: CalciumWikipedia: Calcium
Properties of the element, including its history, applications, and characteristics.
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