Atomic Number†Atomic WeightSymbol†Ground-State Level*Electronegativity (Pauling)Name*Density [Note]†Ionization Energy (eV)*Melting Point (°C)*Boiling Point (°C)Atomic radius (pm)[Note]Crystal Structure [Note]†Electron ConfigurationPossible Oxidation States [Note]Phase at STP†Common ConstantsSource: Absolute Zero -273.15 °CGravitation Constant 6.67428x10-11 m 3 kg -1 s -2Atomic Mass Unit 1.660539x10-27kg Molar Gas Constant8.314472 J mol -1 K -1Categories Avogadro Constant6.022142x1023 mol -1Molar Volume (Ideal Gas)0.02241410 m 3/mol Base of Natural Logarithms 2.718281828PI3.14159265358979Boltzmann constant 1.380650x10-23 J/K Planck Constant6.626069x10-34 J s Electron Mass9.10938215x10-31 kg Proton-Electron Mass Ratio 1836.152672470.5110 MeV Rydberg Constant10 973 732 m -1Electron Radius (Classical) 2.8179403x10-15 m 3.289842x1015 Hz Electron Volt 1.602176x10-19 J 13.6057 eV Elementry Charge 1.602176x10-19 C Second Radiation Constant 0.01438769 m K Faraday Constant 96 485.3399 C/mol Speed of Light in a Vacuum 299 792 458 m/s fine-structure constant 0.0072973525Speed of sound in air at STP 343.2 m/s [42]First Radiation Constant3.7417749x10-16 W m2Standard Pressure101 325 Pa{42}References:†, * (Mathematic),CRC Handbook of Chemistry and Physics 81st Edition, 2000-2001, and others+3+2,3+2,3+3+3,4+3+3+3[Rn] 5f 13 7s 2[Rn] 5f 14 7s 2[Rn] 5f 14 7s 2 7p ?+3+4+4,5+3,4,5,6+3,4,5,6+3,4,5,6+3,4,5,6[Rn] 5f 9 7s 2[Rn] 5f 10 7s 2[Rn] 5f 11 7s 2[Rn] 5f 12 7s 2--(m) 170hex -hex [Rn] 6d 1 7s 2[Rn] 6d 2 7s 2[Rn] 5f 2 6d 1 7s 2[Rn] 5f 3 6d 1 7s 2[Rn] 5f 4 6d 1 7s 2[Rn] 5f 6 7s 2[Rn] 5f 7 7s 2[Rn] 5f 7 6d 7s 2--------(m) 173HCP (m) 174HCP (m) 155SO (m) 159§mono.1627--FCC(m) 179FCC (m) 163§tetra (m) 156BCP 827-827-860-1527-1050-900-117620111345311064440006403230- 4.9 ?14.78 6.197915.1 6.281710503200175048201572400011353927- 6.58- 6.65- 6.42- 6.50- 5.973813.51 5.991420.45 6.265719.816 6.0260Nobelium Lawrencium10.07 5.1711.724 6.306715.37 5.8919.05 6.1941CaliforniumEinsteiniumFermiumMendelevium-ActiniumThorium ProtactiniumUraniumNeptuniumPlutoniumAmericiumCuriumBerkelium2P°1/2 ?1.11.31.51.381.361.281.31.31.32F°7/2No1.3Es1.34I°15/21S 0Lr1.31.33H 6Md1.3FmBk6H°15/2Cf5I 8Am8S°7/2Cm9D°2Np6L 11/2Pu7F 0103(262)97(247)98(251)Ac2D 3/2Th3F 2Pa4K 11/2U5L°6101(258)102(259)99(252)100(257)92238.028995(243)96(247)93(237)94(244)[Xe] 4f 14 6s 2[Xe] 4f 14 5d 1 6s 2+2,3+2,3+3(227)90232.038191231.0359+3+3,4+3,4+3+3+2,3+2,3+3[Xe] 4f 10 6s 2[Xe] 4f 11 6s 2[Xe] 4f 12 6s 2[Xe] 4f 13 6s 2+3,4+3+3+3HCP [Xe] 5d 1 6s 2[Xe] 4f 1 5d 1 6s 2[Xe] 4f 3 6s 2[Xe] 4f 4 6s 2[Xe] 4f 5 6s 2[Xe] 4f 6 6s 2[Xe] 4f 7 6s 2[Xe] 4f 7 5d 1 6s 2[Xe] 4f 9 6s 2HCP (m) 176FCC (m) 174HCP (m) 176HCP (m) 176HCP (m) 178HCP (m) 176BCC (m) 180HCP (m) 177HCP (m) 180§hex (m) 1803402(m) 187§hex (m) 182FCC (m) 182§hex (m) 181§hex (m) 183195081932301412256714741196166327001497286815451527131332501356300010721803822 5.4259920346479833609313290102131001100 6.1843 6.57 6.25429.8416.02159.066 6.10779.3215.86388.551 5.93898.7955.67047.901 6.14988.2195.5827.353 5.6437 5.244Lutetium6.146 5.5769 6.689 5.5387 6.64 5.4737.01 5.52507.264HolmiumErbiumPraseodymium NeodymiumPromethiumSamariumThuliumYtterbiumEuropiumGadoliniumTerbiumDysprosiumYb1S 0Lu2D 3/2-1.27Er3H 6Tm2F°7/21.241.25Dy5I 8Ho4I°15/21.221.23Gd9D°2Tb6H°15/21.20-Sm7F 0Eu8S°7/21.17-Nd 5I 4Pm6H°5/21.14-Ce1G°4Pr4I°9/21.121.1370173.0471174.96768167.25969168.9342166162.50067164.9303264157.2565158.9253462150.3663151.964A c t i n i d e s8958140.116Cerium L a n t h a n i d e s57138.9055La2D 3/21.10Lanthanum59140.9076560144.2461(145)+1+2+4[Rn] 7s 1[Rn] 7s 2[Rn] 5f 14 6d 2 7s 2 ?---BCC--7001737UnunseptiumUnunoctium- 4.07275 5.2784 6.0 ?Ununtrium Ununquadium UnunpentiumUnunhexiumMeitnerium Darmstadtium RoentgeniumCoperniciumDubniumSeaborgiumBohriumHassiumUuo0.70.9Uuq UupDsRg UuhUusUutHsMt117113114(289)118115116(292)111(272)112(285)109(268)110(281)107(264)108(277)105(262)106(266)(226)Actinide Series104(261)Ra1S 0Rf3F 2 ?RadiumRutherfordium787(223)88Fr2S 1/2Francium+3,5+2,4+1,3,5,7,-1+1,3+1,2+1,3+2,4[Hg] 6p 6+1+2+4+5+2,3,4,5,6+2,4,6,7,-1+2,3,4,6,8+2,3,4,6+2,4[Hg] 6p 2[Hg] 6p 3[Hg] 6p 4[Hg] 6p 5[Xe] 4f 14 5d 9 6s 1[Xe] 4f 14 5d 10 6s 1[Xe] 4f 14 5d 10 6s 2[Hg] 6p 1(v) 145-[Xe] 6s 1[Xe] 6s 2[Xe] 4f 14 5d 2 6s 2[Xe] 4f 14 5d 3 6s 2[Xe] 4f 14 5d 4 6s 2[Xe] 4f 14 5d 5 6s 2[Xe] 4f 14 5d 6 6s 2[Xe] 4f 14 5d 7 6s 2-§cubic--(m) 175FCC(v) 146§rhom.(m) 151§rhom.(m) 170HCP(m) 139FCC(m) 144FCC(m) 135HCP(m) 136FCC(m) 139BCC(m) 137HCP-71-61.7(m) 265BCC(m) 222BCC(m) 159HCP(m) 146BCC254962302-327.461749271.31564-38.83356.7330414731768.338251064.182856303350122466442834225555318655969.7310.748528.44671727187022334603301754589.1968.414--11.347.41679.787.285513.53410.437511.85 6.108221.098.958819.39.225522.618.438222.658.967019.257.864021.027.833513.31 6.825116.657.54961.879 3.8939 3.51 5.2117BismuthPoloniumAstatineRadonGoldMercuryThalliumLead-CesiumBariumHafniumTantalumTungstenRheniumOsmiumIridiumPlatinumRn1S 00.790.89 1.3 1.52.36 1.92.2 2.2Po3P 2At2P°3/22.0 2.2Pb3P 0Bi4S°3/22.33 2.02Hg1S 0Tl2P°1/221.62Pt3D 3Au2S 1/22.28 2.54Os5D 4Ir4F 9/2W5D 0Re6S 5/2Hf3F 2Ta4F 3/2Cs2S 1/2Ba1S 085(210)86(222)83208.9803884(209)82207.279196.9665580200.5975186.20776190.2381204.383373180.947974183.84+1,5,7,-1077192.21778195.078655132.9054556137.327Lanthanide Series72178.49+3+2,4+3,5,-3+2,4,6,-2+2,3,4+2,4+1+2[Kr] 4d 10 5s 2 5p 5[Kr] 4d 10 5s 2 5p 6+1+2+3+4+3,5+2,3,4,5,6+4,7+2,3,4,6,8[Kr] 4d 10 5s 2 5p 1[Kr] 4d 10 5s 2 5p 2[Kr] 4d 10 5s 2 5p 3[Kr] 4d 10 5s 2 5p 4[Kr] 4d 8 5s 1[Kr] 4d 10[Kr] 4d 10 5s 1[Kr] 4d 10 5s 2[Kr] 4d 4 5s 1[Kr] 4d 5 5s 1[Kr] 4d 5 5s 2[Kr] 4d 7 5s 1[Kr] 5s 1[Kr] 5s 2[Kr] 4d 1 5s 2[Kr] 4d 2 5s 2(v) 133BCO(v) 130-(v) 138§rhom.(v) 135hex(m) 167§tetra.(v) 141§tetra.(m) 144FCC(m) 151§hex(m) 134FCC(m) 137FCC(m) 136HCP(m) 134HCP(m) 146BCC(m) 139BCC(m) 180HCP(m) 160HCP(m) 248BCC(m) 215FCC113.7184.3156.62072231.932602-111.8-108630.631587449.51988961.782162321.07767196436951554.9296321574265233441502477474426234639152633451855440939.316887771382 4.9410.4513 5.912.12986.6978.6084 6.249.00967.31 5.78647.317.343910.497.57628.658.993812.457.458912.0238.336911.57.2812.377.36058.57 6.758910.287.0924IodineXenonNiobiumMolybdenumTechnetiumRuthenium1.532 4.17712.63 5.6949 4.472 6.2173 6.511 6.6339IndiumTinAntimonyTelluriumRhodiumPalladiumSilverCadmiumRubidiumStrontiumYttriumZirconium0.820.95 1.221.33I2P°3/2Xe1S 02.662.60Sb4S°3/2Te3P 22.052.10In2P°1/2Sn3P 01.781.96Ag2S 1/2Cd1S 01.931.69Rh4F 9/2Pd1S 02.282.20Tc6S 5/2Ru5F 51.92.20Nb6D 1/2Mo7S 31.602.1654131.293Rb2S 1/2Sr1S 0Y2D 3/2Zr3F 252127.6053126.9044750118.71051121.76048112.41149114.81846106.4247107.868244101.0745102.905504295.9443(98)4091.2244192.90638+2,4,6,-2+1,5,-1+2,4+3,5,-3+2,3+2,3053785.46783887.623988.90585+2+3+2,3+1,2[Ar] 3d 10 4s 2 4p 4[Ar] 3d 10 4s 2 4p 5[Ar] 3d 10 4s 2 4p 6+1+2+3+2,3,4+2,3,4,5+2,3,6+2,3,4,6,7[Ar] 3d 10 4s 2[Ar] 3d 10 4s 2 4p 1[Ar] 3d 10 4s 2 4p 2[Ar] 3d 10 4s 2 4p 3[Ar] 3d 6 4s 2[Ar] 3d 7 4s 2[Ar] 3d 8 4s 2[Ar] 3d 10 4s 1BCO(v) 110-[Ar] 4s 1[Ar] 4s 2[Ar] 3d 1 4s 2[Ar] 3d 2 4s 2[Ar] 3d 3 4s 2[Ar] 3d 5 4s 1[Ar] 3d 5 4s 2rhom.(v) 116§hex(v) 114§BCO(v) 122§cubic(v) 119FCC(m) 134§hex(m) 135HCP(m) 124FCC(m) 128§cubic(m) 126BCC(m) 125BCC(m) 128BCC(m) 127-153.22(m) 227BCC(m) 197FCC(m) 162HCP(m) 147HCP(m) 134685-7.359-157.36282081761422190729.762204938.329131084.622927419.532861149529271455267112462061153832871910340719071484154128301668 3.1211.8138 3.7513.99965.7279.7886 4.8199.75245.3237.89948.927.72647.149.39427.477.43407.8747.9024 5.904 5.99936.11 6.74627.14 6.7665BromineKrypton8.97.88108.9087.63980.856 4.3407 1.55 6.1132 2.985 6.5615 4.507 6.8281GalliumGermaniumArsenicSeleniumCobaltNickelCopperZinc2.963PotassiumCalciumScandiumTitaniumVanadiumChromiumManganeseIron2P°3/2Kr1S 00.82 1.00 1.361.54 1.631.66 1.554S°3/2Se3P 2Br2.182.552P°1/2Ge3P 0As1.812.012S 1/2Zn1S 0Ga1.901.654F 9/2Ni3F 4Cu1.881.91Fe5D 4Co1.83Cr7S 3Mn6S 5/2Ti3F 2V4F 3/2Ca1S 0Sc2D 3/23579.9043683.7983374.921603478.963169.7233272.642963.5463065.4092758.9332002858.69342554.9380492655.8452350.94152451.99612144.9559102247.86741939.09832063.3875984240.078K2S 1/2[Ne] 3s 2 3p 6+1+2+3+2,4,-4+3,4,5,-3+2,4,6,-2+1,3,5,7,-1010VIII -(v) 97-[Ne] 3s 1[Ne] 3s 2[Ne] 3s 2 3p 1[Ne] 3s 2 3p 2[Ne] 3s 2 3p 3[Ne] 3s 2 3p 4[Ne] 3s 2 3p 5§(v) 102FCO(v) 99FCC(v) 111cubic(v) 10611IB 12IIB (m) 1436VIB 7VIIB 8VIII 9VIII -34.04-189.3-185.8(m) 186BCC(m) 160HCP3IIIB 4IVB 5VB 280.5115.21444.72-101.525191414290044.212.9676 1.78415.759697.7288365010902p hc 2660.3210.4867 1.9610.3600 3.2145.9858 2.338.1517 1.823Argon0.968 5.1391 1.7387.6462Poor Metals Metalloidsa2.7-SodiumMagnesiumF cAluminumSilicon PhosphorusSulfurChlorineAr1S 00.93 1.31Rare Earth Metalse ch/k 1.611.902.19S3P 2Cl2P°3/22.583.163P 0P4S°3/2eV R ∞hc Al2P°1/21735.4531326.9815381428.0855Non Metalsr0R ∞c 1839.9481530.973611632.065Si31122.9897701224.3050Transition Metals Na2S 1/2Mg1S 0+3+2,4,-4+2,3,4,5,-2,-3-2-10[He] 2s 2 2p 5-(v) 69-(v) 71[He] 2s 2 2p 6-[He] 2s 1[He] 2s 2Alkaline EarthMetalsHalogens m e m e /m p +1+2me c 2R ∞[He] 2s 2 2p 1-(v) 73rhom.(v) 77hex(v) 75[He] 2s 2 2p 2[He] 2s 2 2p 3[He] 2s 2 2p 4-188.12-248.59-182.9-219.6400035504027-210.1-246.08(m) 152BCC(m) 112HCPk h (v) 82-195.79-218.321.5645180.54134212872470Alkali Metals Noble Gas e 13.6181 1.69617.42280.911.2603 1.25114.5341 1.429FluorineNeon0.535 5.3917 1.8489.3227 2.468.2980 2.26 3.98-LithiumBerylliumm u R BoronCarbonNitrogenOxygen2P°3/2Ne1S 00.981.57Gas Liquid Solid Synthetic3P 2F3.043.442.042.554S°3/2O20.17972S 1/2Be1S 0BG 2P°1/2C3P 0N15.9994918.99840321012.0107714.006789.012182510.8116236.9414p 2075 -1s 11s 11s 217VIIA0.178524.5874-259.14-252.870-259.14-252.87-(v) 3213IIIA 14IVA15VA16VIAFree Downloads at HydrogenHydrogenHelium2IIA 0.089913.5984(v) 37FCC +1,-1-268.932.22.2-H2S 1/2H2S 1/224.002602P e r i o d111.007940.089913.5984He1S 0(v) 37-+1,-1LiPeriodic Table of the ElementsGROUP 1IA 1 1.00794Bh18VIIIA Notes:- Density units are g/cm 3 for solids and g/L or kg/cm 3 at 0° Celsius for gases- Atomic Weight based on 12C- ( ) indicate mass number of most stable isotope - Common Oxidation States in bold- Electron Config. based on IUPAC guidelines- § indicates crystal structure is unusual or may require explanation- (m) Metallic radius, (v) Covalent radius © 2011 Vertex42 LLC. All rights reserved.Design by CnPeriodic Table of the Elements DbSg。