var data =
{
    "elements": [

        {
            "name": "Chlorine", 
            "appearance": "pale yellow-green gas", 
            "atomic_mass": 35.45, 
            "boil": 239.11, 
            "category": "diatomic nonmetal", 
            "color": null, 
            "density": 3.2, 
            "discovered_by": "Carl Wilhelm Scheele", 
            "melt": 171.6, 
            "molar_heat": null, 
            "named_by": null, 
            "number": 17, 
            "period": 3, 
            "phase": "Gas", 
            "source": "https://en.wikipedia.org/wiki/Chlorine", 
            "spectral_img": "https://en.wikipedia.org/wiki/File:Chlorine_spectrum_visible.png", 
            "summary": "Chlorine is a chemical element with symbol Cl and atomic number 17. It also has a relative atomic mass of 35.5. Chlorine is in the halogen group (17) and is the second lightest halogen following fluorine.", 
            "symbol": "Cl", 
            "xpos": 17, 
            "ypos": 3, 
            "shells": [
                2,
                8, 
                7
            ]
        }

    ]
}
