var data =
{
    "elements": [

         {
            "name": "Niobium", 
            "appearance": "gray metallic, bluish when oxidized", 
            "atomic_mass": 92.906372, 
            "boil": 5017, 
            "category": "transition metal", 
            "color": null, 
            "density": 8.57, 
            "discovered_by": "Charles Hatchett", 
            "melt": 2750, 
            "molar_heat": 24.6, 
            "named_by": null, 
            "number": 41, 
            "period": 5, 
            "phase": "Solid", 
            "source": "https://en.wikipedia.org/wiki/Niobium", 
            "spectral_img": null, 
            "summary": "Niobium, formerly columbium, is a chemical element with symbol Nb (formerly Cb) and atomic number 41. It is a soft, grey, ductile transition metal, which is often found in the pyrochlore mineral, the main commercial source for niobium, and columbite. The name comes from Greek mythology:Niobe, daughter of Tantalus since it is so similar to tantalum.", 
            "symbol": "Nb", 
            "xpos": 5, 
            "ypos": 5, 
            "shells": [
                2,
                8, 
                18, 
                12, 
                1
            ]
        }
    ]
}
