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Tē 1 chōa: {{su-iàu hoan-e̍k}} {{infobox element ~~{{Elementbox_header \| number=26 \| symbol=Fe \| name=thih \| left=[[manganese]] \| right=[[cobalt]] \| above=- \| below=[[ruthenium\|Ru]] \| color1=#ffc0c0 \| color2=black }}~~ \|name=Thih ~~{{Elementbox_series \| [[transition metal]]s }}~~ \|enname=iron ~~{{Elementbox_groupperiodblock \| group=8 \| period=4 \| block=d }}~~ \|number=26 ~~{{Elementbox_appearance_img \| Fe,26\| lustrous metallic<br />with a grayish tinge }}~~ \|symbol=Fe ~~{{Elementbox_atomicmass_gpm \| [[1 E-26 kg\|55.845]][[List of elements by atomic mass\|(2)]] }}~~ \|left=[[manganese]] ~~{{Elementbox_econfig \| [[[argon\|Ar]]] 3d<sup>6</sup> 4s<sup>2</sup> }}~~ \|right=[[cobalt]] ~~{{Elementbox_epershell \| 2, 8, 14, 2 }}~~ \|above=– ~~{{Elementbox_section_physicalprop \| color1=#ffc0c0 \| color2=black }}~~ \|below=[[ruthenium\|Ru]] ~~{{Elementbox_phase \| [[solid]] }}~~ \|series=kòe-tō͘ kim-sio̍k ~~{{Elementbox_density_gpcm3nrt \| 7.86 }}~~ \|series comment= ~~{{Elementbox_densityliq_gpcm3mp \| 6.98 }}~~ \|group=8 ~~{{Elementbox_meltingpoint \| k=1811 \| c=1538 \| f=2800 }}~~ \|period=4 ~~{{Elementbox_boilingpoint \| k=3134 \| c=2861 \| f=5182 }}~~ \|block=d ~~{{Elementbox_heatfusion_kjpmol \| 13.81 }}~~ \|series color= ~~{{Elementbox_heatvaporiz_kjpmol \| 340 }}~~ \|appearance=lustrous metallic with a grayish tinge ~~{{Elementbox_heatcapacity_jpmolkat25 \| 25.10 }}~~ \|image name=Iron_electrolytic_and_1cm3_cube.jpg ~~{{Elementbox_vaporpressure_katpa \| 1728 \| 1890 \| 2091 \| 2346 \| 2679 \| 3132 \| comment= }}~~ \|image alt=A rough wedge of silvery metal ~~{{Elementbox_section_atomicprop \| color1=#ffc0c0 \| color2=black }}~~ \|image size= ~~{{Elementbox_crystalstruct \| [[Body-centered cubic]]<br />except between temperatures<br />1185 K and 1667 K when<br />it is a [[face-centered cubic]]}}~~ \|image name comment= ~~{{Elementbox_oxistates \| 2, '''3''', 4, 6<br />([[amphoteric]] oxide) }}~~ \|image name 2=Iron Spectrum.jpg ~~{{Elementbox_electroneg_pauling \| 1.83 }}~~ \|image name 2 comment=[[Spectral lines]] of iron ~~{{Elementbox_ionizationenergies4 \| 762.5 \| 1561.9 \| 2957 }}~~ \|atomic mass=55.845 ~~{{Elementbox_atomicradius_pm \| [[1 E-10 m\|140]] }}~~ \|atomic mass ref=<ref name="IUPAC">[http://www.ciaaw.org/atomic-weights.htm Standard Atomic Weights 2013]. [[Commission on Isotopic Abundances and Atomic Weights]]</ref> ~~{{Elementbox_atomicradiuscalc_pm \| [[1 E-10 m\|156]] }}~~ \|atomic mass 2=2 ~~{{Elementbox_covalentradius_pm \| [[1 E-10 m\|125]] }}~~ \|atomic mass comment= ~~{{Elementbox_section_miscellaneous \| color1=#ffc0c0 \| color2=black }}~~ \|electron configuration=[[[argon\|Ar]]] 3d<sup>6</sup> 4s<sup>2</sup> ~~{{Elementbox_magnetic \| [[ferromagnetism\|ferromagnetic]] }}~~ \|electrons per shell=2, 8, 14, 2 ~~{{Elementbox_eresist_ohmmat20 \| 96.1 n}}~~ \|color= ~~{{Elementbox_thermalcond_wpmkat300k \| 80.4 }}~~ \|phase=solid ~~{{Elementbox_thermalexpansion_umpmkat25 \| 11.8 }}~~ \|density gpcm3nrt=7.874 ~~{{Elementbox_speedofsound_rodmpsatrt \| (electrolytic)<br />5120 }}~~ \|density gpcm3mp=6.98 ~~{{Elementbox_youngsmodulus_gpa \| 211 }}~~ \|melting point K=1811 ~~{{Elementbox_shearmodulus_gpa \| 82 }}~~ \|melting point C=1538 ~~{{Elementbox_bulkmodulus_gpa \| 170 }}~~ \|melting point F=2800 ~~{{Elementbox_poissonratio \| 0.29 }}~~ \|boiling point K=3134 ~~{{Elementbox_mohshardness \| 4.0 }}~~ \|boiling point C=2862 ~~{{Elementbox_vickershardness_mpa \| 608 }}~~ \|boiling point F=5182 ~~{{Elementbox_brinellhardness_mpa \| 490 }}~~ \|triple point K= ~~{{Elementbox_cas_number \| 7439-89-6 }}~~ \|triple point kPa= ~~{{Elementbox_isotopes_begin \| isotopesof=Fe \| color1=#ffc0c0 \| color2=black }}~~ \|critical point K= ~~{{Elementbox_isotopes_decay \| mn=54 \| sym=Fe \| na=5.8% \| hl=>3.1×10<sup>22</sup>[[year\|y]] \| dm=2ε capture \|de=? \| pn=54 \| ps=[[chromium\|Cr]] }}~~ \|critical point MPa= ~~{{Elementbox_isotopes_decay \| mn=55 \| sym=Fe \| na=[[synthetic radioisotope\|syn]] \| hl=2.73 y \| dm=ε capture \| de=0.231 \| pn=55 \| ps=[[manganese\|Mn]] }}~~ \|heat fusion=13.81 ~~{{Elementbox_isotopes_stable \| mn=56 \| sym=Fe \| na=91.72% \| n=30 }}~~ \|heat fusion 2= ~~{{Elementbox_isotopes_stable \| mn=57 \| sym=Fe \| na=2.2% \| n=31 }}~~ \|heat vaporization=340 ~~{{Elementbox_isotopes_stable \| mn=58 \| sym=Fe \| na=0.28% \| n=32 }}~~ \|heat capacity=25.10 ~~{{Elementbox_isotopes_decay \| mn=59 \| sym=Fe \| na=[[synthetic radioisotope\|syn]] \| hl=44.503 d \| dm=[[Beta decay\|β]] \| de=1.565 \| pn=59 \| ps=[[cobalt\|Co]] }}~~ \|vapor pressure 1=1728 ~~{{Elementbox_isotopes_decay \| mn=60 \| sym=Fe \| na=[[synthetic radioisotope\|syn]] \| hl=1.5×10<sup>6</sup> y \| dm=[[Beta decay\|β]]<sup>-</sup> \| de=3.978 \| pn=60 \| ps=[[cobalt\|Co]] }}~~ \|vapor pressure 10=1890 ~~{{Elementbox_isotopes_end}}~~ \|vapor pressure 100=2091 ~~{{Elementbox_footer \| color1=#ffc0c0 \| color2=black }}~~ \|vapor pressure 1 k=2346 \|vapor pressure 10 k=2679 \|vapor pressure 100 k=3132 \|vapor pressure comment= \|crystal structure=body-centered cubic \|crystal structure comment=''a''=286.65 pm \|crystal structure 2=face-centered cubic \|crystal structure 2 comment=between 1185–1667 K \|oxidation states= −4, −2, −1, +1,<ref>{{cite journal\|url=http://bernath.uwaterloo.ca/media/266.pdf\| author=Ram, R. S. and Bernath, P. F.\| journal=Journal of Molecular Spectroscopy \|volume=221\| year=2003\| page=261\|bibcode=2003JMoSp.221..261R \|doi=10.1016/S0022-2852(03)00225-X\|title=Fourier transform emission spectroscopy of the g<sup>4</sup>Δ-a<sup>4</sup>Δ system of FeCl\|issue=2 }}</ref> '''+2''', '''+3''', +4, +5,<ref>{{cite journal\|doi=10.1002/zaac.19824910109\|title=Recent developments in the field of high oxidation states of transition elements in oxides stabilization of Six-coordinated Iron(V)\|year=1982\|author=Demazeau, G.\|journal=Zeitschrift für anorganische und allgemeine Chemie\|volume=491\|pages=60\|last2=Buffat\|first2=B.\|last3=Pouchard\|first3=M.\|last4=Hagenmuller\|first4=P.}}</ref> '''+6''' \|oxidation states comment=(an [[amphoterism\|amphoteric]] oxide) \|electronegativity=1.83 \|number of ionization energies=4 \|ionization energy 1=762.5 \|ionization energy 2=1561.9 \|ionization energy 3=2957 \|atomic radius=126 \|atomic radius calculated= \|covalent radius=Low spin: 132±3 pm<br/>High spin: 152±6 \|Van der Waals radius= \|magnetic ordering=[[ferromagnetism\|ferromagnetic]] \|Curie point K=1043 \|electrical resistivity= \|electrical resistivity unit prefix=n \|electrical resistivity at 0= \|electrical resistivity at 20=96.1 \|thermal conductivity=80.4 \|thermal conductivity 2= \|thermal diffusivity= \|thermal expansion= \|thermal expansion at 25=11.8 \|speed of sound= \|speed of sound rod at 20= \|speed of sound rod at r.t.=5120 \|speed of sound rod at r.t. comment=(electrolytic) \|Young's modulus=211 \|Shear modulus=82 \|Bulk modulus=170 \|Poisson ratio=0.29 \|Mohs hardness=4 \|Vickers hardness=608 \|Brinell hardness=200–1180 \|CAS number=7439-89-6 \|isotopes= {{infobox element/isotopes decay \| mn=54 \| sym=Fe \| na=5.8% \| hl=>3.1×10<sup>22</sup> y \| dm=[[double electron capture\|εε]] \| de=0.668 \| link1=chromium-54 \| pn=54 \| ps=Cr}} {{infobox element/isotopes decay \| mn=55 \| sym=Fe \| na=[[synthetic radioisotope\|syn]] \| hl=2.73 y \| dm=[[electron capture\|ε]] \| de=0.231 \| link1=manganese-55 \| pn=55 \| ps=Mn}} {{Infobox element/isotopes stable \| mn=56 \| sym=Fe \| na=91.72% \| n=30 \| link=Iron-56 \|firstlinks=yes}} {{Infobox element/isotopes stable \| mn=57 \| sym=Fe \| na=2.2% \| n=31 \|firstlinks=no}} {{Infobox element/isotopes stable \| mn=58 \| sym=Fe \| na=0.28% \| n=32 \|firstlinks=no}} {{infobox element/isotopes decay \| mn=59 \| sym=Fe \| na=syn \| hl=44.503 d \| dm=[[Beta decay\|β<sup>−</sup>]] \| de=1.565 \| link1=cobalt-59 \| pn=59 \| ps=Co }} {{infobox element/isotopes decay \| mn=60 \| sym=Fe \| na=syn \| hl=2.6×10<sup>6</sup> y \| dm=β<sup>−</sup> \| de=3.978 \| link1=cobalt-60 \| pn=60 \| ps=Co }} \|isotopes comment=Decay modes in parentheses are predicted, but have not yet been observed \|discovery date=before [[5000 BC]] }} '''Fe''' ([[Latin-gí]]: ''ferrum'') ia̍h '''thih''' sī [[chiu-kî-pió]] lāi-té ê 1 chióng [[hoà-ha̍k goân-sò͘]], [[goân-chú-hoan]] 26. Fe sī chióng [[kim-sio̍k]], sio̍k tī [[tē 8 cho̍k goân-sò͘]] (group 8 element), mā sī [[tē 4 chiu-kî goân-sò͘]] (period 4 element). Fe sī [[chheⁿ-hu̍t goân-sò͘ ha̍p-sêng]] (stellar nucleosynthesis) siāng kài boé chò--chhut-lâi ê goân-sò͘, khiā kóng bián [[chhiau-sin-chheⁿ]] (supernova) ia̍h lūi-sū ê sū-kiāⁿ tō ū ê goân-sò͘ lāi-té siāng tāng--ê. Tō sī chit ê iân-kò͘, Fe sī [[ú-tiū]]--nih liōng siāng chē ê [[tāng kim-sio̍k]] (heavy metals).

"Thih" pán-pún chi-kan bô-kāng--ê tē-hng