வார்ப்புரு:தகவற்சட்டம் அசுட்டட்டைன்
{{Elementbox
 |name=அசுட்டட்டைன்
 |other name=astatine
 |number=85
 |symbol=At
 |pronounce={{IPAc-en|ˈ|æ|s|t|ə|t|iː|n}} {{Respell|AS|tə-teen}} &lt;br /&gt; or {{IPAc-en|ˈ|æ|s|t|ə|t|ɪ|n}} {{Respell|AS|tə-tin}}
 |left=[[பொலோனியம்]]
 |right=[[ரேடான்]]
 |above=[[அயோடின்|I]]
 |below=[[உனுன்செப்டியம்|Uus]]
 |series=உலோகப்போலி
 |series comment= [[ஆலசன்]] என்று சிலரால் கருதப்படுகிறது
 |group=17
 |period=6
 |block=p
 |series color=
 |phase color=
 |appearance=தெரியவில்லை
 &lt;includeonly&gt;|image name=&lt;/includeonly&gt;
 |image name comment=
 |image name 2=
 |image name 2 comment=
 |image size = 150
 |atomic mass=(210)
 |atomic mass 2=
 |atomic mass comment=
 |electron configuration=&amp;#91;[[செனான்|Xe]]&amp;#93; 4f&lt;sup&gt;14&lt;/sup&gt; 5d&lt;sup&gt;10&lt;/sup&gt; 6s&lt;sup&gt;2&lt;/sup&gt; 6p&lt;sup&gt;5&lt;/sup&gt;
 |electrons per shell=2, 8, 18, 32, 18, 7
 |electron shell image=Electron shell 085 Astatine (metalloid) - no label.svg
 |color=
 |phase=solid
 |phase comment=
 |density gplstp=
 |density gpcm3nrt=(At&lt;sub&gt;2&lt;/sub&gt;) 6.2–6.5 ''(predicted)''&lt;ref name=Bonchev&gt;{{cite journal |last1=Bonchev |first1=Danail |last2=Kamenska |first2=Verginia |year=1981 |title=Predicting the properties of the 113–120 transactinide elements |journal=The Journal of Physical Chemistry |volume=85 |issue=9 |pages=1177–86 |publisher=ACS Publications |doi=10.1021/j150609a021 |url=http://www.researchgate.net/publication/239657207_Predicting_the_properties_of_the_113_to_120_transactinide_elements}}&lt;/ref&gt;
 |density gpcm3mp=
 |melting point K=575
 |melting point C=302
 |melting point F=576
 |boiling point K=610
 |boiling point C=337
 |boiling point F=639
 |triple point K=
 |triple point kPa=
 |critical point K=
 |critical point MPa=
 |heat fusion=
 |heat vaporization=(At&lt;sub&gt;2&lt;/sub&gt;) 54.39
 |heat capacity=
 |vapor pressure 1=361
 |vapor pressure 10=392
 |vapor pressure 100=429
 |vapor pressure 1 k=475
 |vapor pressure 10 k=531
 |vapor pressure 100 k=607
 |vapor pressure comment=
 |crystal structure=
 |oxidation states='''−1''', '''+1''', +3, +5, +7
 |oxidation states comment=
 |electronegativity=2.2
 |number of ionization energies=1
 |1st ionization energy=899.003&lt;ref&gt;{{cite journal |last1=Rothe |first1=S. |last2=Andreyev |first2=A. N. |last3=Antalic |first3=S. |last4=Borschevsky |first4=A. |last5=Capponi |first5=L. |last6=Cocolios |first6=T. E. |last7=De Witte |first7=H. |last8=Eliav |first8=E. |last9=Fedorov |first9=D. V. | displayauthors = 8
 |year=2013 |title=Measurement of the first ionization potential of astatine by laser ionization spectroscopy |journal=Nature Communications |volume=4 |publisher= |doi=10.1038/ncomms2819 |url=http://www.researchgate.net/publication/236836716_Measurement_of_the_first_ionization_potential_of_astatine_by_laser_ionization_spectroscopy}}&lt;/ref&gt;
 |atomic radius=
 |covalent radius=150
 |Van der Waals radius=[[1 E-10 மீ|202]]
 |magnetic ordering=
 |electrical resistivity=
 |electrical resistivity at 0=
 |electrical resistivity at 20=
 |thermal conductivity=1.7
 |thermal conductivity 2=
 |thermal diffusivity=
 |thermal expansion=
 |thermal expansion at 25=
 |speed of sound=
 |speed of sound rod at 20=
 |speed of sound rod at r.t.=
 |Young's modulus=
 |Shear modulus=
 |Bulk modulus=
 |Poisson ratio=
 |Mohs hardness=
 |Vickers hardness=
 |Brinell hardness=
 |CAS number=7440-68-8
 |isotopes=
 {{Elementbox_isotopes_decay2 | mn=209 | sym=At
  | na=[[செயற்கைக் கதிரியக்க ஓரிடத்தான்|செயற்கை]] | hl=5.41 [[மணித்தியாலம்|h]]
  | dm1=[[positron emission|β&lt;sup&gt;+&lt;/sup&gt;]] | de1=3.486 | link1=polonium-209 | pn1=209 | ps1=Po
  | dm2=[[அல்ஃபா சிதைவு|α]] | de2=5.758 | link2=bismuth-205 | pn2=205 | ps2=Bi}}
 {{Elementbox_isotopes_decay2 | mn=210 | sym=At
  | na=syn | hl=8.1 h
  | dm1=[[positron emission|β&lt;sup&gt;+&lt;/sup&gt;]] | de1=3.981 | link1=polonium-210 | pn1=210 | ps1=Po
  | dm2=[[அல்ஃபா சிதைவு|α]] | de2=5.632 | link2=bismuth-206 | pn2=206 | ps2=Bi}}
 {{Elementbox_isotopes_decay2 | mn=211 | sym=At
  | na=syn | hl=7.21 h
  | dm1=[[electron capture|ε]] | de1=0.786 | link1=polonium-211 | pn1=211 | ps1=Po
  | dm2=[[அல்ஃபா சிதைவு|α]] | de2=5.983 | link2=bismuth-207 | pn2=207 | ps2=Bi}}
 |isotopes comment=
 |discovered by=[[Dale R. Corson]], [[Kenneth Ross MacKenzie]], [[எமீலியோ சேக்ரே]]
 |discovery date=1940
 }}&lt;noinclude&gt;
 {{Template reference list}}
 [[பகுப்பு:தனிம அட்டவணை தகவற்சட்ட வார்ப்புருக்கள்|அசுட்டட்டைன்]]