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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
Calcyum
Ca20
40.0780224976209 (g/mol)
Alkaline an norvys metals
19Calyum21Scandyum
Overview
  • Latin name:
    Сalcium
  • Hanow Sowsnek:
    Calcium
  • Diskudhans year:
    1808
  • Discoverer:
    Humphry Davy
  • Pow an Diskudhans:
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  • Costu per 100 grammi:
    4 USD
  • CAS Number:
    CAS7440-70-2
  • Elektron shell:
    K2-L8-M8-N2-O0-P0-Q0-R0
            Elektrons:
            20
            Protons:
            20
            Neutrons:
            20
            Properties
            • Niver atomek:
              20
            • Atomek poester (Relative atomek mass):
              40.0780224976209 (g/mol)
            • Tewder:
              1.54 (g/cm³)
            • Poynt tedha:
              842.0°C = 1547.60°F = 1115.15K
            • Poynt bryjyon:
              1484.0°C = 2703.20°F = 1757.15K
            • Valence:
              2
            • Period:
              4
            • 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:
              [Ar] 4s2 = 1s2 2s2 2p6 3s2 3p6 4s2
              • Studhow oksidyans:
              • -
              • -
              • -
              • -
              • -
              • -
              • -
              • +2
              • -
              • -
              • -
              • -
              • -
              • -
              • -
            • Ion kost:
              Ca2+
            • Galloes ionheans an atom:
              6.113 (eV)
            • Atomek radius:
              194 (pm)
            • Radius kovalent:
              174 (pm)
            • Radius Van der Waals:
              231 (pm)
            Perthyansow elektromagnetek
            • Tredanel conductivity:
              29761904.7619048 (S/m)
            • Tredanel type:
              Conductor
            • Eghen vagnetek:
              Paramagnetic
            • Susceptibilita magnetek folum:
              2.139 ⋅ 10-5
            • Susceptibilita magnetek poes:
              1.38 ⋅ 10-9
            • Susceptibilita magnetek molar:
              5.531 ⋅ 10-10 (m³/mol)
            • Resistivity:
              3.36 ⋅ 10-8 (Ω · m)
            • Poynt ughhedhesedh:
              ----
            Crystal bagh
            • Structure of the grid:
              Kubek kresek-enep
            • Grid parameters:
              5.580 Å
            • Stons
              ----
            • Tempredh Debye:
              -43.15°C = -45.67°F = 230K
            Keworansel information
            • Color:
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            • CAS Number:
              CAS7440-70-2
            • 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:
              1
            • Valence:
              2
            • Elektron affinity:
              2.37 (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 "Calcyum" on
              0.007%
            • Howl consists of "Calcyum" on
              0.007%
            • Oceans consists of "Calcyum" on
              4.2 ⋅ 10-4%
            • Human korf consists of "Calcyum" on
              1.42682033852507%
            • The an Norvys krestennen consists of "Calcyum" on
              4.15%
            • Meteorites konsystya of "Calcyum" on
              1.1%