{ "items" : [
    { "id" : "http://dbpedia.org/resource/Cadmium"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "Cadmium is a chemical element with symbol Cd and atomic number 48. This soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Like zinc, it prefers oxidation state +2 in most of its compounds and like mercury it shows a low melting point compared to transition metals."] } } }
