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{"Number":15,"Name":"phosphorus","Symbol":"P","Atomic_weight":30.97376,"Group":15,"Period":3}
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{"Number":19,"Name":"potassium","Symbol":"K","Atomic_weight":39.0983,"Group":1,"Period":4}
{"Number":20,"Name":"calcium","Symbol":"Ca","Atomic_weight":40.078,"Group":2,"Period":4}
{"Number":21,"Name":"scandium","Symbol":"Sc","Atomic_weight":44.95591,"Group":3,"Period":4}
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{"Number":23,"Name":"vanadium","Symbol":"V","Atomic_weight":50.9415,"Group":5,"Period":4}
{"Number":24,"Name":"chromium","Symbol":"Cr","Atomic_weight":51.9961,"Group":6,"Period":4}
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{"Number":29,"Name":"copper","Symbol":"Cu","Atomic_weight":63.546,"Group":11,"Period":4}
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{"Number":31,"Name":"gallium","Symbol":"Ga","Atomic_weight":69.723,"Group":13,"Period":4}
{"Number":32,"Name":"germanium","Symbol":"Ge","Atomic_weight":72.64,"Group":14,"Period":4}
{"Number":33,"Name":"arsenic","Symbol":"As","Atomic_weight":74.9216,"Group":15,"Period":4}
{"Number":34,"Name":"selenium","Symbol":"Se","Atomic_weight":78.96,"Group":16,"Period":4}
{"Number":35,"Name":"bromine","Symbol":"Br","Atomic_weight":79.904,"Group":17,"Period":4}
{"Number":36,"Name":"krypton","Symbol":"Kr","Atomic_weight":83.798,"Group":18,"Period":4}
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{"Number":38,"Name":"strontium","Symbol":"Sr","Atomic_weight":87.62,"Group":2,"Period":5}
{"Number":39,"Name":"yttrium","Symbol":"Y","Atomic_weight":88.90585,"Group":3,"Period":5}
{"Number":40,"Name":"zirconium","Symbol":"Zr","Atomic_weight":91.224,"Group":4,"Period":5}
{"Number":41,"Name":"niobium","Symbol":"Nb","Atomic_weight":92.90638,"Group":5,"Period":5}
{"Number":42,"Name":"molybdenum","Symbol":"Mo","Atomic_weight":95.94,"Group":6,"Period":5}
{"Number":43,"Name":"technetium","Symbol":"Tc","Group":7,"Period":5}
{"Number":44,"Name":"ruthenium","Symbol":"Ru","Atomic_weight":101.07,"Group":8,"Period":5}
{"Number":45,"Name":"rhodium","Symbol":"Rh","Atomic_weight":102.9055,"Group":9,"Period":5}
{"Number":46,"Name":"palladium","Symbol":"Pd","Atomic_weight":106.42,"Group":10,"Period":5}
{"Number":47,"Name":"silver","Symbol":"Ag","Atomic_weight":107.8682,"Group":11,"Period":5}
{"Number":48,"Name":"cadmium","Symbol":"Cd","Atomic_weight":112.411,"Group":12,"Period":5}
{"Number":49,"Name":"indium","Symbol":"In","Atomic_weight":114.818,"Group":13,"Period":5}
{"Number":50,"Name":"tin","Symbol":"Sn","Atomic_weight":118.71,"Group":14,"Period":5}
{"Number":51,"Name":"antimony","Symbol":"Sb","Atomic_weight":121.76,"Group":15,"Period":5}
{"Number":52,"Name":"tellurium","Symbol":"Te","Atomic_weight":127.6,"Group":16,"Period":5}
{"Number":53,"Name":"iodine","Symbol":"I","Atomic_weight":126.90447,"Group":17,"Period":5}
{"Number":54,"Name":"xenon","Symbol":"Xe","Atomic_weight":131.293,"Group":18,"Period":5}
{"Number":55,"Name":"caesium","Symbol":"Cs","Atomic_weight":132.90545,"Group":1,"Period":6}
{"Number":56,"Name":"barium","Symbol":"Ba","Atomic_weight":137.327,"Group":2,"Period":6}
{"Number":57,"Name":"lanthanum","Symbol":"La","Atomic_weight":138.90547,"Period":6}
{"Number":58,"Name":"cerium","Symbol":"Ce","Atomic_weight":140.116,"Period":6}
{"Number":59,"Name":"praseodymium","Symbol":"Pr","Atomic_weight":140.90765,"Period":6}
{"Number":60,"Name":"neodymium","Symbol":"Nd","Atomic_weight":144.242,"Period":6}
{"Number":61,"Name":"promethium","Symbol":"Pm","Period":6}
{"Number":62,"Name":"samarium","Symbol":"Sm","Atomic_weight":150.36,"Period":6}
{"Number":63,"Name":"europium","Symbol":"Eu","Atomic_weight":151.964,"Period":6}
{"Number":64,"Name":"gadolinium","Symbol":"Gd","Atomic_weight":157.25,"Period":6}
{"Number":65,"Name":"terbium","Symbol":"Tb","Atomic_weight":158.92535,"Period":6}
{"Number":66,"Name":"dysprosium","Symbol":"Dy","Atomic_weight":162.5,"Period":6}
{"Number":67,"Name":"holmium","Symbol":"Ho","Atomic_weight":164.93032,"Period":6}
{"Number":68,"Name":"erbium","Symbol":"Er","Atomic_weight":167.259,"Period":6}
{"Number":69,"Name":"thulium","Symbol":"Tm","Atomic_weight":168.93421,"Period":6}
{"Number":70,"Name":"ytterbium","Symbol":"Yb","Atomic_weight":173.04,"Period":6}
{"Number":71,"Name":"lutetium","Symbol":"Lu","Atomic_weight":174.967,"Group":3,"Period":6}
{"Number":72,"Name":"hafnium","Symbol":"Hf","Atomic_weight":178.49,"Group":4,"Period":6}
{"Number":73,"Name":"tantalum","Symbol":"Ta","Atomic_weight":180.94788,"Group":5,"Period":6}
{"Number":74,"Name":"tungsten","Symbol":"W","Atomic_weight":183.84,"Group":6,"Period":6}
{"Number":75,"Name":"rhenium","Symbol":"Re","Atomic_weight":186.207,"Group":7,"Period":6}
{"Number":76,"Name":"osmium","Symbol":"Os","Atomic_weight":190.23,"Group":8,"Period":6}
{"Number":77,"Name":"iridium","Symbol":"Ir","Atomic_weight":192.217,"Group":9,"Period":6}
{"Number":78,"Name":"platinum","Symbol":"Pt","Atomic_weight":195.084,"Group":10,"Period":6}
{"Number":79,"Name":"gold","Symbol":"Au","Atomic_weight":196.96657,"Group":11,"Period":6}
{"Number":80,"Name":"mercury","Symbol":"Hg","Atomic_weight":200.59,"Group":12,"Period":6}
{"Number":81,"Name":"thallium","Symbol":"Tl","Atomic_weight":204.3833,"Group":13,"Period":6}
{"Number":82,"Name":"lead","Symbol":"Pb","Atomic_weight":207.2,"Group":14,"Period":6}
{"Number":83,"Name":"bismuth","Symbol":"Bi","Atomic_weight":208.9804,"Group":15,"Period":6}
{"Number":84,"Name":"polonium","Symbol":"Po","Group":16,"Period":6}
{"Number":85,"Name":"astatine","Symbol":"At","Group":17,"Period":6}
{"Number":86,"Name":"radon","Symbol":"Rn","Group":18,"Period":6}
{"Number":87,"Name":"francium","Symbol":"Fr","Group":1,"Period":7}
{"Number":88,"Name":"radium","Symbol":"Ra","Group":2,"Period":7}
{"Number":89,"Name":"actinium","Symbol":"Ac","Period":7}
{"Number":90,"Name":"thorium","Symbol":"Th","Atomic_weight":232.03806,"Period":7}
{"Number":91,"Name":"protactinium","Symbol":"Pa","Atomic_weight":231.03588,"Period":7}
{"Number":92,"Name":"uranium","Symbol":"U","Atomic_weight":238.02891,"Period":7}
{"Number":93,"Name":"neptunium","Symbol":"Np","Period":7}
{"Number":94,"Name":"plutonium","Symbol":"Pu","Period":7}
{"Number":95,"Name":"americium","Symbol":"Am","Period":7}
{"Number":96,"Name":"curium","Symbol":"Cm","Period":7}
{"Number":97,"Name":"berkelium","Symbol":"Bk","Period":7}
{"Number":98,"Name":"californium","Symbol":"Cf","Period":7}
{"Number":99,"Name":"einsteinium","Symbol":"Es","Period":7}
{"Number":100,"Name":"fermium","Symbol":"Fm","Period":7}
{"Number":101,"Name":"mendelevium","Symbol":"Md","Period":7}
{"Number":102,"Name":"nobelium","Symbol":"No","Period":7}
{"Number":103,"Name":"lawrencium","Symbol":"Lr","Group":3,"Period":7}
{"Number":104,"Name":"rutherfordium","Symbol":"Rf","Group":4,"Period":7}
{"Number":105,"Name":"dubnium","Symbol":"Db","Group":5,"Period":7}
{"Number":106,"Name":"seaborgium","Symbol":"Sg","Group":6,"Period":7}
{"Number":107,"Name":"bohrium","Symbol":"Bh","Group":7,"Period":7}
{"Number":108,"Name":"hassium","Symbol":"Hs","Group":8,"Period":7}
{"Number":109,"Name":"meitnerium","Symbol":"Mt","Group":9,"Period":7}
{"Number":110,"Name":"darmstadtium","Symbol":"Ds","Group":10,"Period":7}
{"Number":111,"Name":"roentgenium","Symbol":"Rg","Group":11,"Period":7}
{"Number":112,"Name":"ununbium","Symbol":"Uub","Group":12,"Period":7}
{"Number":113,"Name":"ununtrium","Symbol":"Uut","Group":13,"Period":7}
{"Number":114,"Name":"ununquadium","Symbol":"Uuq","Group":14,"Period":7}
{"Number":115,"Name":"ununpentium","Symbol":"Uup","Group":15,"Period":7}
{"Number":116,"Name":"ununhexium","Symbol":"Uuh","Group":16,"Period":7}
{"Number":118,"Name":"ununoctium","Symbol":"Uuo","Group":18,"Period":7}
{"Number":119,"Name":"wildcard","Symbol":"*","Atomic_weight":0,"Group":1,"Period":8}