var data =
{
    "elements": [

       {
            "name": "Lead", 
            "appearance": "metallic gray", 
            "atomic_mass": 207.21, 
            "boil": 2022, 
            "category": "post-transition metal", 
            "color": null, 
            "density": 11.34, 
            "discovered_by": "Middle East", 
            "melt": 600.61, 
            "molar_heat": 26.65, 
            "named_by": null, 
            "number": 82, 
            "period": 6, 
            "phase": "Solid", 
            "source": "https://en.wikipedia.org/wiki/Lead_(element)", 
            "spectral_img": null, 
            "summary": "Lead (/l\u025bd/) is a chemical element in the carbon group with symbol Pb (from Latin:plumbum) and atomic number 82. Lead is a soft, malleable and heavy post-transition metal. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed to air.", 
            "symbol": "Pb", 
            "xpos": 14, 
            "ypos": 6, 
            "shells": [
                2,
                8, 
                18, 
                32, 
                18, 
                4
            ]
        }
    ]
}
