{
  "domain": "IUPAC",
  "_categories": [
    {
      "category": "element name",
      "category_description": "element name",
      "QBEColumnProps": {
        "defaultWidth": 120,
        "QBE": true,
        "LUNRIndex": true
      },
      "wordindex" : true,
      "category_synonyms": [
        "name"
      ]
    },
    {
      "category": "element symbol",
      "category_description": "element symbol",
      "QBEColumnProps": {
        "defaultWidth": 60,
        "QBE": true,
        "LUNRIndex": true
      },
      "wordindex": true,
      "category_synonyms": [
        "symbol"
      ]
    },
    {
      "category": "atomic weight",
      "category_description": "weigth of the element",
      "QBEColumnProps": {
        "defaultWidth": 80,
        "QBE": true
      },
      "category_synonyms": [
        "element weight"
      ]
    },
    {
      "category": "element number",
      "category_description": "weigth of the element",
      "QBEColumnProps": {
        "defaultWidth": 60,
        "QBE": true,
        "LUNRIndex": true
      },
      "wordindex": true
    }
  ],
  "columns": [
    "element symbol",
    "element number",
    "element name"
  ]
}