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 - Manganese Symbol Mn Atomic Number 25 Relative Atomic Mass 12C = 12.0000 54.93805 Atomic Radius pm 124 First Ionisation Energy kJ mol-1 717.4 Electronegativity 1.55 Density kg m-3 7440 [α, 293 K] 6430 [l., m.p.] Molar Volume cm3 7.38 Thermal Conductivity W m-1 K-1 7.82 [300 K] Melting Point K 1517 Boiling Point K 2235 Number of Isotopes 15 Ground State Electron Configuration [Ar]3d54s2 Term Symbol 6S5/2 Discovery J.G. Gahn (Stockholm, Sweden) in 1774 Name Derived From Latin magnes meaning 'magnet' Name in Other Languages  Croatian Mangan  Danish mangan  Dutch mangaan  Finnish mangaani  French manganèse  German Mangan  Italian manganese  Norwegian mangan  Portuguese manganésio  Spanish manganeso  Swedish mangan 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 18:37:54 GMT+01:00 2001