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    { "id" : "http://dbpedia.org/resource/Electron_shell"
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        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "In chemistry and atomic physics, an electron shell, or a principal energy level, may be thought of as an orbit followed by electrons around an atom's nucleus. The closest shell to the nucleus is called the \"1 shell\" (also called \"K shell\"), followed by the \"2 shell\" (or \"L shell\"), then the \"3 shell\" (or \"M shell\"), and so on farther and farther from the nucleus." ] ,
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        "http://dbpedia.org/ontology/thumbnail" : [ "http://commons.wikimedia.org/wiki/Special:FilePath/Periodic_Table_of_Elements_showing_Electron_Shells.svg?width=300"] } } }
