var data =
{
    "elements": [

        {
            "name": "Terbium", 
            "appearance": "silvery white", 
            "atomic_mass": 158.925352, 
            "boil": 3396, 
            "category": "lanthanide", 
            "color": null, 
            "density": 8.23, 
            "discovered_by": "Carl Gustaf Mosander", 
            "melt": 1629, 
            "molar_heat": 28.91, 
            "named_by": null, 
            "number": 65, 
            "period": 6, 
            "phase": "Solid", 
            "source": "https://en.wikipedia.org/wiki/Terbium", 
            "spectral_img": null, 
            "summary": "Terbium is a chemical element with symbol Tb and atomic number 65. It is a silvery-white rare earth metal that is malleable, ductile and soft enough to be cut with a knife. Terbium is never found in nature as a free element, but it is contained in many minerals, including cerite, gadolinite, monazite, xenotime and euxenite.", 
            "symbol": "Tb", 
            "xpos": 11, 
            "ypos": 9, 
            "shells": [
                2,
                8, 
                18, 
                27, 
                8, 
                2
            ]
        }
    ]
}
