| Directory > Science > Chemistry > Elements > Helium Lenntech: Helium
Physical data, chemical properties, and health effects.
http://www.lenntech.com/Periodic-chart-elements/He-en.htm
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WebElements: Helium
Extensive information on history, uses, occurrence, and properties of the element.
http://www.webelements.com/webelements/elements/text/He/key.html
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EnvironmentalChemistry.com: Helium
Atomic structure, chemical and physical properties, and table of nuclides.
http://environmentalchemistry.com/yogi/periodic/He.html
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Wikipedia: Helium
Properties of the element, including its history, applications, and charateristics.
http://www.wikipedia.org/wiki/Helium
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Corrosionsource.com: Helium
History, sources, properties, isotopes, and uses.
http://www.corrosionsource.com/handbook/periodic/2.htm
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Helium
Data tables and historic information.
http://www.scescape.net/~woods/elements/helium.html
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USGS Minerals Information: Helium
Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
http://minerals.usgs.gov/minerals/pubs/commodity/helium/
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Especiál Gas Inc.: Helium
Numeric data, uses, and general information.
http://www.c-f-c.com/specgas_products/helium.htm
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ChemicalElements.com: Helium
Basic information, atomic structure, and table of isotopes.
http://www.chemicalelements.com/elements/he.html
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ChemGlobe: Helium
Electronic, thermal, and steric data along with basic information.
http://www.vcs.ethz.ch/chemglobe/ptoe/_/2.html
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It's Elemental: Helium
Basic physical and historical information.
http://education.jlab.org/itselemental/ele002.html
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Visual Elements: Helium
Image, animation, discovery, uses, physical information, and key isotopes.
http://www.chemsoc.org/viselements/pages/helium.html
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Britannica Nobel Prize: Helium
Detailed overview and data.
http://www.britannica.com/nobel/micro/713_23.html
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LANL: Helium
History, sources, properties, and uses.
http://pearl1.lanl.gov/periodic/elements/2.html
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