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    { "id" : "http://dbpedia.org/resource/Hydrogen_atom"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force. Atomic hydrogen constitutes about 75% of the elemental (baryonic) mass of the universe.In everyday life on Earth, isolated hydrogen atoms (usually called \"atomic hydrogen\" or, more precisely, \"monatomic hydrogen\") are extremely rare." ] ,
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        "http://dbpedia.org/ontology/thumbnail" : [ "http://commons.wikimedia.org/wiki/Special:FilePath/Hydrogen_1.svg?width=300"] } } }
