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#elementoftheday #periodictable http://bit.ly/1DKXxdm online periodic table - http://bit.ly/1vrT0wk Helium is a monatomic gas that heads the noble gas group in the periodic table. | by worldofchemicalsmedia

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Worldofchemicals Media

worldofchemicalsmedia

#elementoftheday #periodictable http://bit.ly/1DKXxdm online periodic table - http://bit.ly/1vrT0wk Helium is a monatomic gas that heads the noble gas group in the periodic table.

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Uploaded on March 5, 2015