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118
11HHydrojen2
13141516172HeHelyum
23LiLythyum4BeBerylyum5BBoron6CCarbon7NNytrojen8OOxyjen9FFluryn10NeNeon
311NaSodyum12MgMagnysyum345678910111213AlAlumynyum14SiSylycon15PFosforus16SSulfor17ClCloryn18ArArgon
419KCalyum20CaCalcyum21ScScandyum22TiTytanyum23VVanadyum24CrCromyum25MnManganus26FeHorn27CoCobolt28NiNykel29CuCober30ZnSynk31GaGalyum32GeGermanyum33AsArsenyk34SeSelenyum35BrBromyn36KrCrypton
537RbRubydyum38SrStrontyum39YYtryum40ZrZerconyum41NbNyobyum42MoMolybdenum43TcTechnytyum44RuRuthenyum45RhRhodyum46PdPaladyum47AgArhans48CdCadmyum49InEyndyum50SnSten51SbAntymony52TeTeluryum53IEyodyn54XeXenon
655CsCesyum56BaBaryum57-71
La-Lu		72HfHafnyum73TaTantalum74WTungsten75ReRhenyum76OsOsmyum77IrYrydyum78PtPlatynum79AuOwr80HgArhans Bew81TlThalyum82PbPlom83BiBysmuth84PoPolonyum85AtAstatyn86RnRadon
787FrFrankyum88RaRadyum89-103
Ac-Lr		104RfRutherfordyum105DbDubnyum106SgSeaborgyum107BhBohryum108HsHassyum109MtMeytneryum110DsDarmstadtium111RgRoentgenium112CnCopernicium113NhNihonium114FlFlerovium115McMoscovium116LvLivermorium117TsTennessine118OgOganneson
8119UueUnunennium120UbnUnbinilium121-126
Ubu-Ubh
57LaLanthanum58CeKeryum59PrPrasodyum60NdNeodymyum61PmPromethyum62SmSamaryum63EuEuropyum64GdGadolynyum65TbTerbyum66DyDysprosyum67HoHolmyum68ErErbyum69TmThulyum70YbYterbyum71LuLutetyum
89AcActynyum90ThThoryum91PaProtoactynyum92UUranyum93NpNeptunyum94PuPlutonyum95AmAmerycanyum96CmCuryum97BkBerkelyum98CfCalyfornyum99EsEynsteynyum100FmFermyum101MdMendelevyum102NoNobelyum103LrLawrencyum
121UbuUnbiunium122UbbUnbibium123UbtUnbitrium124UbqUnbiquadium125UbpUnbipentium126UbhUnbihexium127UbsUnbiseptium
Baryum
Ba56
137.32667172235 (g/mol)
Alkaline an norvys metals
55Cesyum57Lanthanum
Overview
  • Latin name:
    Barium
  • Hanow Sowsnek:
    Barium
  • Diskudhans year:
    1774
  • Discoverer:
    Humphry Davy
  • Pow an Diskudhans:
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  • Costu per 100 grammi:
    12 USD
  • CAS Number:
    CAS7440-39-3
  • Elektron shell:
    K2-L8-M18-N18-O8-P2-Q0-R0
        Elektrons:
        56
        Protons:
        56
        Neutrons:
        81
        Properties
        • Niver atomek:
          56
        • Atomek poester (Relative atomek mass):
          137.32667172235 (g/mol)
        • Tewder:
          3.62 (g/cm³)
        • Poynt tedha:
          727.0°C = 1340.60°F = 1000.15K
        • Poynt bryjyon:
          1637.0°C = 2978.60°F = 1910.15K
        • Valence:
          2
        • Period:
          6
        • Group:
          IIA
        • Block:
          s - block
        • Spektrum dyllans:
        Perthyansow thermodynamek
        • Phase:
          Solid
        • Fusion heat:
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        • Tommder arbennek:
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        • Thermal omlesans:
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        • Tommder ethenans:
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        Atomek properties
        • Elektron configuration:
          [Xe] 6s2 = 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 6s2
          • Studhow oksidyans:
          • -
          • -
          • -
          • -
          • -
          • -
          • -
          • +2
          • -
          • -
          • -
          • -
          • -
          • -
          • -
        • Ion kost:
          Ba2+
        • Galloes ionheans an atom:
          5.212 (eV)
        • Atomek radius:
          253 (pm)
        • Radius kovalent:
          206 (pm)
        • Radius Van der Waals:
          268 (pm)
        Perthyansow elektromagnetek
        • Tredanel conductivity:
          3012048.19277108 (S/m)
        • Tredanel type:
          Conductor
        • Eghen vagnetek:
          Paramagnetic
        • Susceptibilita magnetek folum:
          3.966 ⋅ 10-5
        • Susceptibilita magnetek poes:
          1.13 ⋅ 10-8
        • Susceptibilita magnetek molar:
          1.552 ⋅ 10-9 (m³/mol)
        • Resistivity:
          3.32 ⋅ 10-7 (Ω · m)
        • Poynt ughhedhesedh:
          ----
        Crystal bagh
        • Structure of the grid:
          Kubek kresek-korf
        • Grid parameters:
          5.020 Å
        • Stons
          ----
        • Tempredh Debye:
          ----
        Keworansel information
        • Color:
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        • CAS Number:
          CAS7440-39-3
        • CID Number:
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        • RTEC Number:
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        • Kaletter Brinell:
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        • Mohs hardness:
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        • Kaletter Vickers:
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        • Bulk modulus:
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        • Modulus Young:
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        • Liquid tewder:
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        • Folum molar:
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        • Kevradh Poisson:
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        • Modulus trehans:
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        • Sound speed:
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        • Menegva plegyans:
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        • Hedhesedh tommder:
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        Reactivity
        • Electronegativity:
          0.89
        • Valence:
          2
        • Elektron affinity:
          13.954 (kJ/mole)
        Perthyansow nuklerek
        • Radioactive:
          Na
        • Half life, s:
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        • Lifetime, s:
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        • Neutron krows section, barn:
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        • Fire hazard:
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        • Peryl yeghes:
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        • Reactivity:
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        • Peryl arbennek:
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        Prevalence
        • Universe consists of "Baryum" on
          1 ⋅ 10-6%
        • Howl consists of "Baryum" on
          9.9 ⋅ 10-5%
        • Oceans consists of "Baryum" on
          3 ⋅ 10-4%
        • Human korf consists of "Baryum" on
          3.139004745 ⋅ 10-5%
        • The an Norvys krestennen consists of "Baryum" on
          0.0425%
        • Meteorites konsystya of "Baryum" on
          2.7 ⋅ 10-4%