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3LithiumLi锂6.941mp:180.5d:0.53g/cm³4BeryliumBe铍9.012182mp:1287d:1.848g/cm³11Sodium22.989769mp:97.72d:0.968g/cm³Na钠12MagnesiumMg镁24.3050mp:650d:1.738g/cm³19PotassiumK钾39.0983mp:63.4d:0.856g/cm³20CalciumCa钙40.078mp:842d:1.55g/cm³37Rubidium85.4678mp:39.3d:1.532g/cm³Rb铷38StrontiumSr锶87.62mp:777d:2.64g/cm³55CesiumCs铯132.905452mp:28.4d:1.88g/cm³56BariumBa钡137.327mp:727d:3.51g/cm³87FranciumFr钫[223]mp:27d:2.29g/cm³88RadiumRa镭[226]mp:700d:5.00g/cm³Al铝13Aluminum26.981539mp:660.3d:2.70g/cm³Ga镓69.723mp:29.8d:5.90g/cm³31GalliumIn铟114.818mp:156.6d:7.31g/cm³49IndiumSn锡50Tin118.710mp:231.9d:7.31g/cm³Tl铊81Thallium204.3833mp:304d:11.85g/cm³Pb铅82Lead207.2mp:327.5d:11.34g/cm³Bi铋208.98040mp:271.3d:9.78g/cm³83Bismuth2HeliumHe氦4.002602bp:-268.9d:0.179g/l10NeonNe氖20.1797bp:-246.1d:0.8999g/l18ArgonAr氩39.948bp:-185.8d:1.784g/l36KrytonKr氪83.798bp:-157.36d:3.79g/l54XenonXe氙131.293bp:-108d:5.89g/l86RadonRn氡[222]bp:-61.7d:9.73g/l1HydrogenH氢1.00794bp:-252.87d:0.089g/l6CarbonC碳12.0107mp:3527d:2.26g/cm³7NitrogenH氮14.0067bp:-195.8d:1.25g/l8OxygenO氧15.9994bp:-182.9d:1.43g/l9FluorineF氟18.9984032bp:-188.1d:1.696g/l15PhosphorusP磷30.973762mp:-44.2d:1.82g/cm³16Sulfur32.065mp:115.21d:1.96g/cm³S硫17Chlorine35.453bp:-34.0d:3.21g/lCl氯34SeleniumSe硒78.96mp:221d:4.82g/cm³35BromineBr溴79.904bp:59.47d:3.12g/cm³53Iodine126.90447mp:113.7d:4.94g/cm³I碘85AstatineAt砹[210]mp:302d:6.35g/cm³B硼5Boron10.811mp:2076d:2.46g/cm³14SiliconSi硅28.0855mp:1414d:2.33g/cm³32GermaniumGe锗72.64mp:938.3d:5.32g/cm³33Arsenic74.92160mp:817d:5.73g/cm³As砷51AntinomySb锑121.760mp:630.6d:6.69g/cm³52TelluriumTe碲127.60mp:449.5d:6.24g/cm³84PoloniumPo钋[209]mp:254d:9.20g/cm³57-71La镧Lu系89-103Ac锕Lr系57LanthanumLa镧138.90547mp:920d:6.15g/cm³58CeriumCe铈140.116mp:795d:6.69g/cm³59PraseodymiumPr镨140.90765mp:935d:6.64g/cm³60NeodymiumNd钕144.242mp:1024d:6.8g/cm³61PromethiumPm钷[145]mp:1100d:7.26g/cm³62SamariumSm钐150.36mp:1072d:7.35g/cm³63EuropiumEu铕151.964mp:826d:5.24g/cm³64GadoliniumGd钆157.25mp:1312d:7.90g/cm³65TerbiumTb铽158.92535mp:1356d:8.22g/cm³66DysprosiumDy镝162.500mp:1407d:8.55g/cm³67HolmiumHo钬164.93032mp:1461d:8.79g/cm³68ErbiumEr铒167.259mp:1529d:9.07g/cm³69ThuliumTm铥168.93421mp:1545d:9.32g/cm³70YtterbiumYb镱173.054mp:824d:6.57g/cm³71LutetiumLu镥174.9668mp:1652d:9.84g/cm³89ActiniumAc锕[227]mp:1050d:10.07g/cm³90ThoriumTh钍232.03806mp:1842d:11.72g/cm³91ProtactiniumPa镤231.03588mp:1568d:15.37g/cm³92UraniumU铀238.02891mp:1132.3d:19.05g/cm³93NeptuniumNp镎[237]mp:637d:20.45g/cm³94PlutoniumPu钚[244]mp:639.4d:19.81g/cm³95AmericiumAm镅[243]mp:1176d:13.67g/cm³96CuriumCm锔[247]mp:1340d:13.67g/cm³97BerkeliumBk锫[247]mp:986d:14.78g/cm³98CaliforniumCf锎[251]mp:900d:15.10g/cm³99EinsteiniumEs锿[252]mp:860d:8.84g/cm³100FermiumFm镄[257]mp:1527d:none101MendeleviumMd钔[258]mp:827d:none102NobeliumNo锘[259]mp:827d:none103LawrenciumLr铹[262]mp:1627d:none21ScandiumSc钪44.955912mp:1541d:2.985g/cm³22TitaniumTi钛47.867mp:1668d:4.507g/cm³23VanadiumV钒50.9415mp:1910d:6.11g/cm³24ChromiumCr铬51.9961mp:1907d:7.14g/cm³25ManganeseMn锰54.938045mp:1246d:7.47g/cm³26IronFe铁55.845mp:1538d:7.87g/cm³27CobaltCo钴58.933195mp:1495d:8.90g/cm³28NickelNi镍58.6934mp:1455d:8.908g/cm³29CopperCu铜63.546mp:1084d:8.92g/cm³30ZincZn锌65.38mp:419.5d:7.14g/cm³39YttriumY钇88.90585mp:1526d:4.47g/cm³40ZirconiumZr锆91.224mp:1855d:6.51g/cm³41Niobium92.90638mp:2477d:8.57g/cm³Nb铌42MolybdenumMo钼95.96mp:2623d:10.28g/cm³43TechnetiumTc锝98mp:2157d:11.50g/cm³44RutheniumRu钌101.07mp:2334d:12.37g/cm³45RhodiumRh铑102.90550mp:1964d:12.45g/cm³46PalladiumPd钯106.42mp:1554.9d:12.02g/cm³47SilverAg银107.8682mp:961.8d:10.49g/cm³48CadmiumCd镉112.411mp:321.1d:8.65g/cm³72HafniumHf铪178.49mp:2233d:13.31g/cm³73TantalumTa钽180.94788mp:3017d:16.65g/cm³74TungstenW钨183.84mp:3422d:19.25g/cm³75RheniumRe铼186.207mp:3186d:21.02g/cm³76OsmiumOs锇190.23mp:3033d:22.61g/cm³77IridiumIr铱192.217mp:2446d:22.56g/cm³78PlatinumPt铂195.084mp:1768.4d:21.09g/cm³79GoldAu金196.966569mp:1064.2d:19.30g/cm³80MercuryHg汞200.59bp:356.73d:13.534g/cm³IAIIAIIIBIVBVBVIBVIIBVIIIIBIIBOIIIAIVAVAVIAVIIA79GoldAu金196.966569mp:1064.2d:19.30g/cm³英文元素名中文元素名密度原子序数元素符号原子量熔沸点主族金属类金属过渡金属非金属稀土金属稀有气体