var data =
{
    "elements": [

        {
            "name": "Protactinium", 
            "appearance": "bright, silvery metallic luster", 
            "atomic_mass": 231.035882, 
            "boil": 4300, 
            "category": "actinide", 
            "color": null, 
            "density": 15.37, 
            "discovered_by": "William Crookes", 
            "melt": 1841, 
            "molar_heat": null, 
            "named_by": "Otto Hahn", 
            "number": 91, 
            "period": 7, 
            "phase": "Solid", 
            "source": "https://en.wikipedia.org/wiki/Protactinium", 
            "spectral_img": null, 
            "summary": "Protactinium is a chemical element with symbol Pa and atomic number 91. It is a dense, silvery-gray metal which readily reacts with oxygen, water vapor and inorganic acids. It forms various chemical compounds where protactinium is usually present in the oxidation state +5, but can also assume +4 and even +2 or +3 states.", 
            "symbol": "Pa", 
            "xpos": 5, 
            "ypos": 10, 
            "shells": [
                2,
                8, 
                18, 
                32, 
                20, 
                9, 
                2
            ]
        }
    ]
}
