var data =
{
    "elements": [

       {
            "name": "Thallium", 
            "appearance": "silvery white", 
            "atomic_mass": 204.38, 
            "boil": 1746, 
            "category": "post-transition metal", 
            "color": null, 
            "density": 11.85, 
            "discovered_by": "William Crookes", 
            "melt": 577, 
            "molar_heat": 26.32, 
            "named_by": null, 
            "number": 81, 
            "period": 6, 
            "phase": "Solid", 
            "source": "https://en.wikipedia.org/wiki/Thallium", 
            "spectral_img": null, 
            "summary": "Thallium is a chemical element with symbol Tl and atomic number 81. This soft gray post-transition metal is not found free in nature. When isolated, it resembles tin, but discolors when exposed to air.", 
            "symbol": "Tl", 
            "xpos": 13, 
            "ypos": 6, 
            "shells": [
                2,
                8, 
                18, 
                32, 
                18, 
                3
            ]
        }
    ]
}
