{ "items" : [
    { "id" : "http://dbpedia.org/resource/Transition_metal"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "In chemistry, the term transition metal (or transition element) has two possible meanings:The IUPAC definition defines a transition metal as \"an element whose atom has a partially filled  d sub-shell, or which can give rise to cations with an incomplete d sub-shell\".Most scientists describe a \"transition metal\" as any element in the d-block of the periodic table, which includes groups 3 to 12 on the periodic table."] } } }
