text: # Piĕ (nguòng-só)
  Chăng-kō̤ Mìng-dĕ̤ng-ngṳ̄ Háng-cê gì bēng-buōng. / 參考閩東語漢字其版本。
  Piĕ (砒), iâ hô̤ lā̤ sĭng (砷), piĕ-só (砒素) hĕ̤k-ciā Asen, sê siŏh cṳ̄ng hĭ-gĭng-sṳ̆k nguòng-só. Nguòng-cṳ̄ sê̤ṳ-só sê 33, huá-hŏk hù-hô̤ sê As.
title: Piĕ (nguòng-só)
wikitext: {{twinLAT|砷}}
  {{Infobox element
  |name=Piĕ
  |enname=arsenic
  |laname=arsenicum
  |allotropes=grey (most common), yellow, black 
  |number=33
  |symbol=As
  |left=[[germanium|Gecmani]]
  |right=[[Să̤ (gó-tā̤)|Sele­n]]
  |above=[[Lìng (nguòng-só)|lìng]]
  |below=[[Dà̤ (gĭng-sṳ̆k)|Antimon]]
  |series=lôi-gĭng-sṳ̆k
  |series comment=
  |group=15
  |period=4
  |block=p
  |series color=
  |appearance=metallic grey
  |image name=Arsen 1a.jpg
  |image name comment=
  |image name 2=
  |image name 2 comment=
  |atomic mass=74.921595
  |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>
  |atomic mass 2=6
  |atomic mass comment=
  |electron configuration=&#91;[[argon|Ar]]&#93; 3d<sup>10</sup> 4s<sup>2</sup> 4p<sup>3</sup>
  |electrons per shell=2, 8, 18, 5
  |color=
  |phase=gó-tā̤
  |phase comment=
  |density gplstp=
  |density gpcm3nrt=5.727
  |density gpcm3mp=5.22
  |sublimation point K=887
  |sublimation point C=615
  |sublimation point F=1137
  |triple point K=1090
  |triple point kPa=3628
  |triple point ref=<ref name="Gokcen1989">{{cite journal|author=Gokcen, N. A|title=The As (arsenic) system|journal=Bull. Alloy Phase Diagrams|year=1989|volume=10|pages=11–22|doi=10.1007/BF02882166}}</ref>
  |critical point K=1673
  |critical point MPa=?
  |heat fusion=grey: 24.44
  |heat vaporization=34.76
  |heat vaporization comment=(?)
  |heat capacity=24.64
  |vapor pressure 1=553
  |vapor pressure 10=596
  |vapor pressure 100=646
  |vapor pressure 1 k=706
  |vapor pressure 10 k=781
  |vapor pressure 100 k=874
  |vapor pressure comment=
  |crystal structure=rhombohedral
  |crystal structure ref=
  |oxidation states='''5''', 4, '''3''', 2, 1,<ref>{{cite journal|doi=10.1021/ic049281s|pmid=15360247|title=Stabilized Arsenic(I) Iodide: A Ready Source of Arsenic Iodide Fragments and a Useful Reagent for the Generation of Clusters|year=2004|last1=Ellis|first1=Bobby D.|last2=MacDonald|first2=Charles L. B.|journal=Inorganic Chemistry|volume=43|issue=19|pages=5981–6}}</ref> −1, −2, '''−3'''
  |oxidation states comment=(a mildly [[acid]]ic oxide)
  |electronegativity=2.18
  |number of ionization energies=4
  |ionization energy 1=947.0
  |ionization energy 2=1798
  |ionization energy 3=2735
  |atomic radius=119
  |covalent radius=119±4
  |Van der Waals radius=185
  |magnetic ordering=[[diamagnetic]]
  |magnetic ordering ref=<ref>{{cite book|url=http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf|chapter=Magnetic susceptibility of the elements and inorganic compounds|title=Handbook of Chemistry and Physics|edition=81|publisher=CRC press|isbn=0849304814|year=2000|editor=Lide, David R.|accessdate=2018-06-03|archive-date=2011-03-03|archive-url=https://web.archive.org/web/20110303222309/http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf|deadurl=}}</ref>
  |electrical resistivity unit prefix=n
  |electrical resistivity at 0=
  |electrical resistivity at 20=333
  |thermal conductivity=50.2
  |thermal conductivity 2=
  |thermal diffusivity=
  |thermal expansion=5.6
  |thermal expansion ref=<ref>{{cite book|author=Cverna, Fran |title=ASM Ready Reference: Thermal properties of metals|url=http://books.google.com/books?id=qvrq96gJFxIC&pg=PA8|date= 2002|publisher=ASM International|isbn=978-0-87170-768-0|pages=8–}} [http://www.owlnet.rice.edu/~msci301/ThermalExpansion.pdf pdf].</ref>
  |thermal expansion comment=(at&nbsp;{{abbr|r.t.|room temperature}})
  |thermal expansion at 25=
  |speed of sound=
  |speed of sound rod at 20=
  |speed of sound rod at r.t.=
  |Young's modulus=8
  |Shear modulus=
  |Bulk modulus=22
  |Poisson ratio=
  |Mohs hardness=3.5
  |Vickers hardness=
  |Brinell hardness=1440
  |CAS number=7440-38-2
  |isotopes=
  {{infobox element/isotopes_decay2 | mn=73 | sym=As | na=[[synthetic radioisotope|syn]] | hl=[[1 E6 s|80.3&nbsp;d]] | dm1=[[electron capture|ε]] | de1=– | link1=germanium-73 | pn1=73 | ps1=Ge
  | dm2=[[gamma radiation|γ]] | de2=0.05[[Delayed nuclear radiation|D]], 0.01D, [[Conversion electron|e]] | pn2= | ps2=– }}
  {{infobox element/isotopes_decay4 | mn=74 | sym=As | na=syn | hl=[[1 E6 s|17.78&nbsp;d]] | dm1=ε | de1=– | link1=germanium-74 | pn1=74 | ps1=Ge
  | dm2=[[positron emission|β<sup>+</sup>]] | de2=0.941 | pn2=74 | ps2=Ge
  | dm3=γ | de3=0.595, 0.634 | pn3= | ps3=–
  | dm4=[[beta decay|β<sup>−</sup>]] | de4=1.35, 0.717 | link4=selenium-74 | pn4=74 | ps4=Se}}
  {{infobox element/isotopes_stable | mn=75 | sym=As | na=100% | n=42 }}
  |isotopes comment=
  |discovery date=Early [[Bronze Age]] ([[2500 BC]])
  |first isolation by=[[Albertus Magnus]]
  |first isolation date=1250
  }}
  '''Piĕ''' (砒), iâ hô̤ lā̤ '''sĭng''' (砷), '''piĕ-só''' (砒素) hĕ̤k-ciā '''Asen''', sê siŏh cṳ̄ng [[hĭ-gĭng-sṳ̆k]] [[huá-hŏk nguòng-só|nguòng-só]]. [[Nguòng-cṳ̄ sê̤ṳ-só]] sê 33, huá-hŏk hù-hô̤ sê As.
  
  ==Huá-hŏk séng-cék==
  
  ==Éng-ê̤ṳng==
  
  ==Cié-chṳ̄==
  
  ==Chăng-kō̤ cṳ̆-lâiu==
  {{reflist}}
  
  {{Ciŭ-gĭ-biēu}}
  {{authority control}}
  
  [[分類:Huá-hŏk nguòng-só]]