ChemicalElements.com: Helium
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Description: Basic information, atomic structure, and table of isotopes.
Chemical Elements.com - Helium (He) -272.0 °C (1.15 K, -457.6 °F) -268.6 °C (4.549994 K, -451.48 °F) . <http://www.chemicalelements.com/elements/he.html>.
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| Page title: | Chemical Elements.com - Helium (He) |
| Keywords: | Helium,He,element,periodic,table,elements,chemistry,science,education,physics,school,reference,bohr,atom,matter |
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| IP-address: | 216.92.158.31 |
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| NS | Name Server: NS000.NS0.COM Name Server: NS156.PAIR.COM |
| WHOIS | Status: clientTransferProhibited |
| Date | Creation Date: 22-oct-1998 Expiration Date: 21-oct-2016 |