Sponsored by the Institute of Physics   Constants   Equations   Periodic Table Atomic No. Order: Select an Element1 - Hydrogen2 - Helium3 - Lithium4 - Beryllium5 - Boron6 - Carbon7 - Nitrogen8 - Oxygen9 - Fluorine10 - Neon11 - Sodium12 - Magnesium13 - Aluminium14 - Silicon15 - Phosphorous16 - Sulphur17 - Chlorine18 - Argon19 - Potassium20 - Calcium21 - Scandium22 - Titanium23 - Vanadium24 - Chromium25 - Manganese26 - Iron27 - Cobalt28 - Nickel29 - Copper30 - Zinc31 - Gallium32 - Germanium33 - Arsenic34 - Selenium35 - Bromine36 - Krypton37 - Rubidium38 - Strontium39 - Yttrium40 - Zirconium41 - Niobium42 - Molybdenum43 - Technetium44 - Ruthenium45 - Rhodium46 - Palladium47 - Silver48 - Cadmium49 - Indium50 - Tin51 - Antimony52 - Tellurium53 - Iodine54 - Xenon55 - Caesium56 - Barium57 - Lanthanum58 - Cerium59 - Praseodymium60 - Neodymium61 - Promethium62 - Samarium63 - Europium64 - Gadolinium65 - Terbium66 - Dysprosium67 - Holmium68 - Erbium69 - Thulium70 - Ytterbium71 - Lutetium72 - Hafnium73 - Tantalum74 - Tungsten75 - Rhenium76 - Osmium77 - Iridium78 - Platinum79 - Gold80 - Mercury81 - Thallium82 - Lead83 - Bismuth84 - Polonium85 - Astatine86 - Radon87 - Francium88 - Radium89 - Actinium90 - Thorium91 - Protactinium92 - Uranium93 - Neptunium94 - Plutonium95 - Americium96 - Curium97 - Berkelium98 - Californium99 - Einsteinium100 - Fermium101 - Mendelevium102 - Nobelium103 - Lawrencium104 - Rutherfordium105 - Dubnium106 - Seaborgium107 - Bohrium108 - Hassium109 - Meitnerium110 - 111 - 112 - Alphabetic Order: Select an Element89 - Actinium13 - Aluminium95 - Americium51 - Antimony18 - Argon33 - Arsenic85 - Astatine56 - Barium97 - Berkelium4 - Beryllium83 - Bismuth107- Bohrium5 - Boron35 - Bromine48 - Cadmium55 - Caesium20 - Calcium98 - Californium6 - Carbon58 - Cerium17 - Chlorine24 - Chromium27 - Cobalt29 - Copper96 - Curium105- Dubnium66 - Dysprosium99 - Einsteinium68 - Erbium63 - Europium100- Fermium9 - Fluorine87 - Francium64 - Gadolinium31 - Gallium32 - Germanium79 - Gold72 - Hafnium108- Hassium2 - Helium67 - Holmium1 - Hydrogen49 - Indium53 - Iodine77 - Iridium26 - Iron36 - Krypton57 - Lanthanum103- Lawrencium82 - Lead3 - Lithium71 - Lutetium12 - Magnesium25 - Manganese109- Meitnerium101- Mendelevium80 - Mercury42 - Molybdenum60 - Neodymium10 - Neon93 - Neptunium28 - Nickel41 - Niobium7 - Nitrogen102- Nobelium76 - Osmium8 - Oxygen46 - Palladium15 - Phosphorous78 - Platinum94 - Plutonium84 - Polonium19 - Potassium59 - Praseodymium61 - Promethium91 - Protactinium88 - Radium86 - Radon75 - Rhenium45 - Rhodium37 - Rubidium44 - Ruthenium104- Rutherfordium62 - Samarium21 - Scandium106- Seaborgium34 - Selenium14 - Silicon47 - Silver11 - Sodium38 - Strontium16 - Sulphur73 - Tantalum43 - Technetium52 - Tellurium65 - Terbium81 - Thallium90 - Thorium69 - Thulium50 - Tin22 - Titanium74 - Tungsten92 - Uranium23 - Vanadium54 - Xenon70 - Ytterbium39 - Yttrium30 - Zinc40 - Zirconium110- 111- 112- Conversions   SI Units   Symbols   Printer Version Science Periodic Table - Elements - Molybdenum Symbol Mo Atomic Number 42 Relative Atomic Mass 12C = 12.0000 95.94 Atomic Radius pm 136 First Ionisation Energy kJ mol-1 685.0 Electronegativity 2.16 Density kg m-3 10220 [293 K] 9330 [l., m.p.] Molar Volume cm3 9.39 Thermal Conductivity W m-1 K-1 138 [300 K] Melting Point K 2890 Boiling Point K 4885 Number of Isotopes 23 Ground State Electron Configuration [Kr]4d55s1 Term Symbol 7S3 Discovery P.J. Hjelm (Uppsala, Sweden) in 1781 Name Derived From Greek molybdos meaning 'lead' Name in Other Languages  Croatian Molibden  Danish molybden  Dutch molybdenum  Finnish molybdeeni  French molybdčne  German Molybdän  Italian molibdeno  Norwegian molybden  Portuguese molibdénio  Spanish molibdeno  Swedish molybden Peter van der Krogt's Element Multidict - element name translations in over 48 langauges   [ H O M E ] [ S C I E N C E ] [ M A T H S ] [ A S T R O N O M Y ] Download | Shop | Contact | About   Page compiled: Wed Sep 05 18:37:55 GMT+01:00 2001