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Bessè

Ḍâri Wikipèḍia bhâsa Madhurâ, lombhung pangataowan mardhika
Iron, 26Fe
Cèṭa'an:Infobox element/symbol-to-top-image/alt
Iron
Pronunciation/ˈaɪərn/ (Pangèḍing)
AllotropesseeAllotropes of iron
Appearancelustrous metallic with a grayish tinge
Standard atomic weightAr°(Fe)
Cèṭa'an:Infobox element/standard atomic weight format
Mass numberFe:
Iron in theperiodic table
HydrogenHelium
LithiumBerylliumBoronCarbonNitrogenOxygenFluorineNeon
SodiumMagnesiumAluminiumSiliconPhosphorusSulfurChlorineArgon
PotassiumCalciumScandiumTitaniumVanadiumChromiumManganeseIronCobaltNickelCopperZincGalliumGermaniumArsenicSeleniumBromineKrypton
RubidiumStrontiumYttriumZirconiumNiobiumMolybdenumTechnetiumRutheniumRhodiumPalladiumSilverCadmiumIndiumTinAntimonyTelluriumIodineXenon
CaesiumBariumLanthanumCeriumPraseodymiumNeodymiumPromethiumSamariumEuropiumGadoliniumTerbiumDysprosiumHolmiumErbiumThuliumYtterbiumLutetiumHafniumTantalumTungstenRheniumOsmiumIridiumPlatinumGoldMercury (element)ThalliumLeadBismuthPoloniumAstatineRadon
FranciumRadiumActiniumThoriumProtactiniumUraniumNeptuniumPlutoniumAmericiumCuriumBerkeliumCaliforniumEinsteiniumFermiumMendeleviumNobeliumLawrenciumRutherfordiumDubniumSeaborgiumBohriumHassiumMeitneriumDarmstadtiumRoentgeniumCoperniciumNihoniumFleroviumMoscoviumLivermoriumTennessineOganesson
–
↑
Fe
↓
Ru
manganese ←iron →cobalt
Atomic number(Z)26
Groupgroup 8
Periodperiod 4
Block  data-sort-value="3026" |#99ccff
Electron configuration[Ar] 3d6 4s2
Electrons per shell2, 8, 14, 2
Physical properties
Phaseat STPSolid
Melting point1811 K ​(1538 °C, ​2800 °F)
Boiling point3134 K ​(2861 °C, ​5182 °F)
Density (at 20° C)7.874 g/cm3 [1]
when liquid (at m.p.)6.98 g/cm3
Heat of fusion13.81 kJ/mol
Heat of vaporization340 kJ/mol
Molar heat capacity25.10 J/(mol·K)
Vapor pressure
Atomic properties
Oxidation states−4, −2, −1, 0, +1,[2]+2,+3, +4, +5,[3] +6, +7[4] (an amphoteric oxide)
ElectronegativityPauling scale: 1.83
Ionization energies
  • 1st: 762.5 kJ/mol
  • 2nd: 1561.9 kJ/mol
  • 3rd: 2957 kJ/mol
  • (more)
Atomic radiusempirical: 126 pm
Covalent radiusLow spin: 132±3 pm
High spin: 152±6 pm
Van der Waals radius194[1] pm
Color lines in a spectral range
Spectral lines of iron
Other properties
Natural occurrenceFe: Primordial-wl>Primordial
Crystal structureα-Fe: ​Cèṭa'an:Infobox element/crystal structure (cI2)
Lattice constanta = 286.65 pm (at 20 °C)[1]
Crystal structureγ-Fe (912–1394 °C): ​Cèṭa'an:Infobox element/crystal structure (cF4)
Lattice constanta = 364.68 pm (at 916 °C)[5]
Thermal expansion12.07×10−6/K (at 20 °C)[1]
Thermal conductivity80.4 W/(m⋅K)
Electrical resistivity96.1 nΩ⋅m (at 20 °C)
Curie point1043 K
Magnetic orderingferromagnetic
Young's modulus211 GPa
Shear modulus82 GPa
Bulk modulus170 GPa
Speed of sound thin rod5120 m/s (at r.t.) (electrolytic)
Poisson ratio0.29
Mohs hardness4
Vickers hardness608 MPa
Brinell hardness200–1180 MPa
CAS Number7439-89-6
History
Namingprobably from aPIE root meaning 'blood', for the color of its oxides
Discoverybefore5000 BC
Symbol"Fe": from Latinferrum
Isotopes of iron
Template:infobox iron isotopes does not exist
Cèṭa'an:Category-inline
| references

Bessè arobâarkan kimiya; sè anḍi'simbol kimiaFe (Pènangkan Latin ferrum 'bessè') bânnomor atom 26. Arèya sabuwâlogam sè kalebbhu èjhijhir transisis partama bânghimpo' 8 ḍâritabèl pèriodik. Mètorotmassa, arèya arobâaghiarkan sè palèng bâttra èBhumi, mabujud sabâgiyân rajâinti lowar bâninti ḍâlem Bhumi. Rèya arobâaghi arkan kaempa' sè palèngèbbhâ' èkerak Bhumi, sè sadhuman rajâ ètompo' bi'mètèorit ḍâlem dhângka' logamma.

Sombher

[beccè' |beccè' sombher]
  1. ↑1,01,11,2Arblaster, John W. (2018).Selected Values of the Crystallographic Properties of Elements. Materials Park, Ohio: ASM International.ISBN 978-1-62708-155-9.
  2. ↑Ram, R. S.; Bernath, P. F. (2003). "Fourier transform emission spectroscopy of the g4Δ–a4Δ system of FeCl".Journal of Molecular Spectroscopy.221 (2): 261.Bibcode:2003JMoSp.221..261R.doi:10.1016/S0022-2852(03)00225-X.
  3. ↑Demazeau, G.; Buffat, B.; Pouchard, M.; Hagenmuller, P. (1982). "Recent developments in the field of high oxidation states of transition elements in oxides stabilization of six-coordinated Iron(V)".Zeitschrift für anorganische und allgemeine Chemie.491:60–66.doi:10.1002/zaac.19824910109.
  4. ↑Lu, J.; Jian, J.; Huang, W.; Lin, H.; Li, J; Zhou, M. (2016). "Experimental and theoretical identification of the Fe(VII) oxidation state in FeO4−".Physical Chemistry Chemical Physics.18 (45):31125–31131.Bibcode:2016PCCP...1831125L.doi:10.1039/C6CP06753K.PMID 27812577.
  5. ↑Cardarelli, François (2008).Materials Handbook: A Concise Desktop Reference. London: Springer. p. 65.ISBN 1-84628-668-9.
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