{"thcode":2,"term":{"code":1504,"name":"metal elements","parent":1426,"scope":null},"uf":[],"bt":[{"code":1426,"name":"chemical element groups","parent":1382,"scope":"Groups shown at <http:\/\/periodic.lanl.gov\/>"},{"code":1382,"name":"elements","parent":1174,"scope":"Chemical elements and element groups"},{"code":1174,"name":"topics","parent":1,"scope":"Themes, subjects, and concerns for which USGS information resources are relevant."},{"code":1,"name":"Categories","parent":null,"scope":"Thematic terms for categorizing information resources.  This thesaurus is intended to support finding and understanding scientific information."}],"nt":[],"rt":[{"code":1390,"name":"aluminum","parent":1427,"scope":"Metalloid element with symbol Al and atomic number 13 <http:\/\/periodic.lanl.gov\/13.shtml>"},{"code":1393,"name":"antimony","parent":1427,"scope":"Metalloid element with symbol Sb and atomic number 51 <http:\/\/periodic.lanl.gov\/51.shtml>"},{"code":1409,"name":"bismuth","parent":1427,"scope":"Metalloid element with symbol Bi and atomic number 83 <http:\/\/periodic.lanl.gov\/83.shtml>"},{"code":1411,"name":"bohrium","parent":1427,"scope":"Metal element with symbol Bh and atomic number 107 <http:\/\/periodic.lanl.gov\/107.shtml>"},{"code":1417,"name":"cadmium","parent":1427,"scope":"Metal element with symbol Cd and atomic number 48 <http:\/\/periodic.lanl.gov\/48.shtml>"},{"code":1429,"name":"chromium","parent":1427,"scope":"Metal element with symbol Cr and atomic number 24 <http:\/\/periodic.lanl.gov\/24.shtml>"},{"code":1433,"name":"cobalt","parent":1427,"scope":"Metal element with symbol Co and atomic number 27 <http:\/\/periodic.lanl.gov\/27.shtml>"},{"code":1434,"name":"copper","parent":1427,"scope":"Metal element with symbol Cu and atomic number 29 <http:\/\/periodic.lanl.gov\/29.shtml>"},{"code":1439,"name":"darmstadtium","parent":1427,"scope":"Metal element with symbol Ds and atomic number 110 <http:\/\/periodic.lanl.gov\/110.shtml>"},{"code":1442,"name":"dubnium","parent":1427,"scope":"Metal element with symbol Db and atomic number 105 <http:\/\/periodic.lanl.gov\/105.shtml>"},{"code":1460,"name":"gallium","parent":1427,"scope":"Metalloid element with symbol Ga and atomic number 31 <http:\/\/periodic.lanl.gov\/31.shtml>"},{"code":1463,"name":"germanium","parent":1427,"scope":"Metalloid element with symbol Ge and atomic number 32 <http:\/\/periodic.lanl.gov\/32.shtml>"},{"code":1464,"name":"gold","parent":1427,"scope":"Metal element with symbol Au and atomic number 79 <http:\/\/periodic.lanl.gov\/79.shtml>"},{"code":1466,"name":"hafnium","parent":1427,"scope":"Metal element with symbol Hf and atomic number 72 <http:\/\/periodic.lanl.gov\/72.shtml>"},{"code":1468,"name":"hassium","parent":1427,"scope":"Metal element with symbol Hs and atomic number 108 <http:\/\/periodic.lanl.gov\/108.shtml>"},{"code":1479,"name":"indium","parent":1427,"scope":"Metalloid element with symbol In and atomic number 49 <http:\/\/periodic.lanl.gov\/49.shtml>"},{"code":1484,"name":"iridium","parent":1427,"scope":"Metal element with symbol Ir and atomic number 77 <http:\/\/periodic.lanl.gov\/77.shtml>"},{"code":1483,"name":"iron","parent":1427,"scope":"Metal element with symbol Fe and atomic number 26 <http:\/\/periodic.lanl.gov\/26.shtml>"},{"code":1492,"name":"lead","parent":1427,"scope":"Metalloid element with symbol Pb and atomic number 82 <http:\/\/periodic.lanl.gov\/82.shtml>"},{"code":1499,"name":"manganese","parent":1427,"scope":"Metal element with symbol Mn and atomic number 25 <http:\/\/periodic.lanl.gov\/25.shtml>"},{"code":1501,"name":"meitnerium","parent":1427,"scope":"Metal element with symbol Mt and atomic number 109 <http:\/\/periodic.lanl.gov\/109.shtml>"},{"code":1503,"name":"mercury","parent":1427,"scope":"Metal element with symbol Hg and atomic number 80 <http:\/\/periodic.lanl.gov\/80.shtml>"},{"code":1509,"name":"molybdenum","parent":1427,"scope":"Metal element with symbol Mo and atomic number 42 <http:\/\/periodic.lanl.gov\/42.shtml>"},{"code":1520,"name":"nickel","parent":1427,"scope":"Metal element with symbol Ni and atomic number 28 <http:\/\/periodic.lanl.gov\/28.shtml>"},{"code":1521,"name":"niobium","parent":1427,"scope":"Metal element with symbol Nb and atomic number 41 <http:\/\/periodic.lanl.gov\/41.shtml>"},{"code":1530,"name":"osmium","parent":1427,"scope":"Metal element with symbol Os and atomic number 76 <http:\/\/periodic.lanl.gov\/76.shtml>"},{"code":1534,"name":"palladium","parent":1427,"scope":"Metal element with symbol Pd and atomic number 46 <http:\/\/periodic.lanl.gov\/46.shtml>"},{"code":1538,"name":"platinum","parent":1427,"scope":"Metal element with symbol Pt and atomic number 78 <http:\/\/periodic.lanl.gov\/78.shtml>"},{"code":1542,"name":"polonium","parent":1427,"scope":"Metalloid element with symbol Po and atomic number 84 <http:\/\/periodic.lanl.gov\/84.shtml>"},{"code":1558,"name":"rhenium","parent":1427,"scope":"Metal element with symbol Re and atomic number 75 <http:\/\/periodic.lanl.gov\/75.shtml>"},{"code":1559,"name":"rhodium","parent":1427,"scope":"Metal element with symbol Rh and atomic number 45 <http:\/\/periodic.lanl.gov\/45.shtml>"},{"code":1563,"name":"ruthenium","parent":1427,"scope":"Metal element with symbol Ru and atomic number 44 <http:\/\/periodic.lanl.gov\/44.shtml>"},{"code":1564,"name":"rutherfordium","parent":1427,"scope":"Metal element with symbol Rf and atomic number 104 <http:\/\/periodic.lanl.gov\/104.shtml>"},{"code":1569,"name":"scandium","parent":1427,"scope":"Metal element with symbol Sc and atomic number 21 <http:\/\/periodic.lanl.gov\/21.shtml>"},{"code":1571,"name":"seaborgium","parent":1427,"scope":"Metal element with symbol Sg and atomic number 106 <http:\/\/periodic.lanl.gov\/106.shtml>"},{"code":1576,"name":"silver","parent":1427,"scope":"Metal element with symbol Ag and atomic number 47 <http:\/\/periodic.lanl.gov\/47.shtml>"},{"code":1584,"name":"tantalum","parent":1427,"scope":"Metal element with symbol Ta and atomic number 73 <http:\/\/periodic.lanl.gov\/73.shtml>"},{"code":1588,"name":"technetium","parent":1427,"scope":"Metal element with symbol Tc and atomic number 43 <http:\/\/periodic.lanl.gov\/43.shtml>"},{"code":1592,"name":"thallium","parent":1427,"scope":"Metalloid element with symbol Tl and atomic number 81 <http:\/\/periodic.lanl.gov\/81.shtml>"},{"code":1596,"name":"tin","parent":1427,"scope":"Metalloid element with symbol Sn and atomic number 50 <http:\/\/periodic.lanl.gov\/50.shtml>"},{"code":1597,"name":"titanium","parent":1427,"scope":"Metal element with symbol Ti and atomic number 22 <http:\/\/periodic.lanl.gov\/22.shtml>"},{"code":1600,"name":"tungsten","parent":1427,"scope":"Metal element with symbol W and atomic number 74 <http:\/\/periodic.lanl.gov\/74.shtml>"},{"code":1602,"name":"ununnilium","parent":1427,"scope":"Metal element with symbol Uuu and atomic number 111 <http:\/\/periodic.lanl.gov\/111.shtml>"},{"code":1603,"name":"ununnubium","parent":1427,"scope":"Metal element with symbol Uub and atomic number 113 <http:\/\/periodic.lanl.gov\/113.shtml>"},{"code":1604,"name":"ununnunium","parent":1427,"scope":"Metal element with symbol Uun and atomic number 112 <http:\/\/periodic.lanl.gov\/112.shtml>"},{"code":1610,"name":"vanadium","parent":1427,"scope":"Metal element with symbol V and atomic number 23 <http:\/\/periodic.lanl.gov\/23.shtml>"},{"code":1617,"name":"yttrium","parent":1427,"scope":"Metal element with symbol Y and atomic number 39 <http:\/\/periodic.lanl.gov\/39.shtml>"},{"code":1618,"name":"zinc","parent":1427,"scope":"Metal element with symbol Zn and atomic number 30 <http:\/\/periodic.lanl.gov\/30.shtml>"},{"code":1619,"name":"zirconium","parent":1427,"scope":"Metal element with symbol Zr and atomic number 40 <http:\/\/periodic.lanl.gov\/40.shtml>"}]}