function el(zz,sym,name,aa,cs)
    {
        this.zz   = zz;
        this.sym  = sym;
        this.name = name;
        this.aa   = aa;
        this.cs   = cs;
    }
ele= [
 new el(1,'H','Hydrogen','1.00794(7)','0.3326(7)')
,new el(2,'He','Helium','4.002602(2)','4.2e-11(12)')
,new el(3,'Li','Lithium','6.941(2)','0.045(3)')
,new el(4,'Be','Berylium','9.012182(3)','0.0088(4)')
,new el(5,'B','Boron','10.811(7)','0.104(20)')
,new el(6,'C','Carbon','12.0107(8)','0.00351(5)')
,new el(7,'N','Nitrogen','14.00674(7)','0.0795(14)')
,new el(8,'O','Oxygen','15.9994(3)','1.90e-04(19)')
,new el(9,'F','Fluorine','18.9984032(5)','0.0096(5)')
,new el(10,'Ne','Neon','20.1797(6)','0.039(4)')
,new el(11,'Na','Sodium','22.989770(2)','0.530(5)')
,new el(12,'Mg','Magnesium','24.3050(6)','0.0666(13)')
,new el(13,'Al','Aluminium','26.981538(2)','0.231(3)')
,new el(14,'Si','Silicon','28.0855(3)','0.172(5)')
,new el(15,'P','Phosphorus','30.973761(2)','0.172(6)')
,new el(16,'S','Sulphur','32.066(6)','0.534(10)')
,new el(17,'Cl','Chlorine','35.4527(9)','33.1(3)')
,new el(18,'Ar','Argon','39.948(1)','0.675(10)')
,new el(19,'K','Potassium','39.0983(1)','2.06(19)')
,new el(20,'Ca','Calcium','40.078(4)','0.431(19)')
,new el(21,'Sc','Scandium','44.955910(8)','27.20(20)')
,new el(22,'Ti','Titanium','47.867(1)','6.08(19)')
,new el(23,'V','Vanadium','50.9415(1)','4.96(4)')
,new el(24,'Cr','Chromium','51.9961(6)','3.07(15)')
,new el(25,'Mn','Manganese','54.938049(9)','13.36(5)')
,new el(26,'Fe','Iron','55.845(2)','2.56(13)')
,new el(27,'Co','Cobalt','58.933200(9)','37.18(6)')
,new el(28,'Ni','Nickel','58.6934(2)','4.39(15)')
,new el(29,'Cu','Copper','63.546(3)','3.795(17)')
,new el(30,'Zn','Zinc','65.39(2)','1.30(8)')
,new el(31,'Ga','Gallium','69.723(1)','2.90(7)')
,new el(32,'Ge','Germanium','72.61(2)','2.30(6)')
,new el(33,'As','Arsenic','74.92160(2)','4.23(8)')
,new el(34,'Se','Selenium','78.96(3)','12.0(7)')
,new el(35,'Br','Bromine','79.904(1)','6.39(7)')
,new el(36,'Kr','Krypton','83.80(1)','25.8(12)')
,new el(37,'Rb','Rubidium','85.4678(3)','0.38(7)')
,new el(38,'Sr','Strontium','87.62(1)','1.30(21)')
,new el(39,'Y','Yttrium','88.90585(2)','1.280(20)')
,new el(40,'Zr','Zirconium','91.224(2)','0.19(3)')
,new el(41,'Nb','Niobium','92.90638(2)','1.15(5)')
,new el(42,'Mo','Molybdenum','95.94(1)','2.51(6)')
,new el(43,'Tc','Technetium','','')
,new el(44,'Ru','Ruthenium','101.07(2)','2.75(21)')
,new el(45,'Rh','Rhodium','102.90550(2)','145.0(20)')
,new el(46,'Pd','Palladium','106.42(1)','6.9(4)')
,new el(47,'Ag','Silver','107.8682(2)','63.3(8)')
,new el(48,'Cd','Cadmium','112.411(8)','2522(50)')
,new el(49,'In','Indium','114.818(3)','272(8)')
,new el(50,'Sn','Tin','118.710(7)','0.54(5)')
,new el(51,'Sb','Antimony','121.760(1)','5.13(12)')
,new el(52,'Te','Tellurium','127.60(3)','4.6(4)')
,new el(53,'I','Iodine','126.90447(3)','6.20(20)')
,new el(54,'Xe','Xenon','131.29(2)','24(3)')
,new el(55,'Cs','Cesium','132.90545(2)','30.3(11)')
,new el(56,'Ba','Barium','137.327(7)','1.18(7)')
,new el(57,'La','Lanthanum','138.9055(2)','9.08(4)')
,new el(58,'Ce','Cerium','140.116(1)','0.635(18)')
,new el(59,'Pr','Praesodymium','140.90765(2)','11.5(3)')
,new el(60,'Nd','Neodymium','144.24(3)','49.5(12)')
,new el(61,'Pm','Promethium','','')
,new el(62,'Sm','Samarium','150.36(3)','5621(80)')
,new el(63,'Eu','Europium','151.964(1)','4560(140)')
,new el(64,'Gd','Gadolinium','157.25(3)','48770(150)')
,new el(65,'Tb','Terbium','158.92534(2)','23.3(4)')
,new el(66,'Dy','Dysprosium','162.50(3)','944(21)')
,new el(67,'Ho','Holmium','164.93032(2)','64.7(12)')
,new el(68,'Er','Erbium','167.26(3)','156.8(19)')
,new el(69,'Tm','Thulium','168.93421(2)','105.0(20)')
,new el(70,'Yb','Ytterbium','173.04(3)','34.9(8)')
,new el(71,'Lu','Lutetium','174.967(1)','76.6(23)')
,new el(72,'Hf','Hafnium','178.49(2)','119(3)')
,new el(73,'Ta','Tantalum','180.9479(1)','20.6(5)')
,new el(74,'W','Tungsten','183.84(1)','18.39(16)')
,new el(75,'Re','Rhenium','186.207(1)','91.5(10)')
,new el(76,'Os','Osmium','190.23(3)','16.0(11)')
,new el(77,'Ir','Irirdium','192.217(3)','425(5)')
,new el(78,'Pt','Platinum','195.078(2)','10.3(4)')
,new el(79,'Au','Gold','196.96655(2)','98.65(9)')
,new el(80,'Hg','Mercury','200.59(2)','384(8)')
,new el(81,'Tl','Thallium','204.3833(2)','3.44(6)')
,new el(82,'Pb','Lead','207.2(1)','0.154(7)')
,new el(83,'Bi','Bismuth','208.98038(2)','0.0338(7)')
,new el(84,'Po','Polonium','','')
,new el(85,'At','Astatine','','')
,new el(86,'Rn','Radon','','')
,new el(87,'Fr','Francium','','')
,new el(88,'Ra','Radium','','')
,new el(89,'Ac','Actinium','','')
,new el(90,'Th','Thorium','232.0381(1)','7.35(3)')
,new el(91,'Pa','Protactinium','231.03588(2)','')
,new el(92,'U','Uranium','238.0289(1)','3.374(20)')
,new el(93,'Np','Neptunium','','')
,new el(94,'Pu','Plutonium','','')
,new el(95,'Am','Americium','','')
,new el(96,'Cm','Curium','','')
,new el(97,'Bk','Berkelium','','')
,new el(98,'Cf','Californium','','')
,new el(99,'Es','Einsteinium','','')
,new el(100,'Fm','Fermium','','')
,new el(101,'Md','Mendelevium','','')
,new el(102,'No','Nobelium','','')
,new el(103,'Lr','Lawrencium','','')
,new el(104,'Rf','Rutherfordium','','')
,new el(105,'Db','Dubnium','','')
,new el(106,'Sg','Seaborgium','','')
,new el(107,'Bh','Bohrium','','')
,new el(108,'Hs','Hassium','','')
,new el(109,'Mt','Meitnerium','','')
,new el(110,'*','---','','')
,new el(111,'*','---','','')
,new el(112,'*','---','','')
];