کينډۍ:Infobox astatine

Astatine, ₈₅At
عمومي خواص
Pronunciation	/ˈæstətiːn/ or /ˈæstətɪn/ ; AS-tə-teen or AS-tə-tin
Appearance	unknown, probably metallic
Astatine په دوراني جدول کې
polonium ← astatine → radon	‍
اټومي شمیره (Z)	85
گروپ, پیریود	group 17 (halogens), period 6
بلاک	p-block
Element category	metalloid, sometimes classified as a nonmetal, or a metal
Mass number	210 (most stable isotope)
Electron configuration	[Xe] 4f14 5d10 6s2 6p5
Electrons per shell	2, 8, 18, 32, 18, 7
فزیکي خواص
حالت (at STP)	جامد
دويلې کيدو ټکى	575 K (302 °C, 576 °F)
يشنا ټکی	610 K (337 °C, 639 °F)
Density near r.t.	(At2) 6.35±0.15 g/cm3 (predicted)
Molar volume	(At2) 32.94 cm3/mol (predicted)
Heat of vaporization	(At2) 54.39 kJ/mol
اټومي خواص
Oxidation states	−1, +1, +3, +5, +7
Electronegativity	Pauling scale: 2.2
Ionization energies	1st: 899.003 kJ/mol ; ;
Covalent radius	150 pm
Van der Waals radius	202 pm
Miscellanea
Crystal structure	face-centered cubic (fcc) Face-centered cubic crystal structure for astatine; (predicted)
د تودوخې تېرېدنه	1.7 W/(m·K)
CAS Number	7440-68-8
History
Naming	after Greek astatos (αστατος), meaning "unstable"
Discovery	Dale R. Corson, Kenneth Ross MacKenzie, Emilio Segrè (1940)
Main isotopes of astatine
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Element navigation

PTastatinePT

Po ←

iso
85At

ibox E

wd:Q999

→ Rn

سرچينې

د سرچينو همدا لړليک په ليکنه کې نه ښکاري.

↑ Corson، MacKenzie او Segrè 1940.
↑ ^۲٫۰ ^۲٫۱ Hermann, A.; Hoffmann, R.; Ashcroft, N. W. (2013). "Condensed Astatine: Monatomic and Metallic". Physical Review Letters. 111 (11): 116404-1–116404-5. Bibcode:2013PhRvL.111k6404H. doi:10.1103/PhysRevLett.111.116404. PMID 24074111.
↑ ^۳٫۰ ^۳٫۱ Bonchev, D.; Kamenska, V. (1981). "Predicting the Properties of the 113–120 Transactinide Elements". The Journal of Physical Chemistry. 85 (9). ACS Publications: 1177–86. doi:10.1021/j150609a021. ترلاسه‌کېدو نېټه 6 May 2013.
↑ Glushko, V. P.; Medvedev, V. A.; Bergma, G. A. (1966). Termicheskie Konstanty Veshchestv (in Russian). Vol. 1. Nakua. p. 65.{{cite book}}: CS1 maint: unrecognized language (link)
↑ Greenwood او Earnshaw 2002، م. 28.
↑ Rothe, S.; Andreyev, A. N.; Antalic, S.; Borschevsky, A.; Capponi, L.; Cocolios, T. E.; De Witte, H.; Eliav, E.; Fedorov, D. V.; Fedosseev, V. N.; Fink, D. A.; Fritzsche, S.; Ghys, L.; Huyse, M.; Imai, N.; Kaldor, U.; Kudryavtsev, Yuri; Köster, U.; Lane, J. F. W.; Lassen, J.; Liberati, V.; Lynch, K. M.; Marsh, B. A.; Nishio, K.; Pauwels, D.; Pershina, V.; Popescu, L.; Procter, T. J.; Radulov, D.; Raeder, S. (2013). "Measurement of the First Ionization Potential of Astatine by Laser Ionization Spectroscopy". Nature Communications. 4: 1–6. doi:10.1038/ncomms2819. PMC 3674244. PMID 23673620. {{cite journal}}: Unknown parameter |displayauthors= ignored (|display-authors= suggested) (help)

کينډۍ لاسوند[جوړول]

سمونگران د دې کينډۍ په ازمونمخ (جوړول | هېنداره) او ازمونځايونه (جوړول) مخونو کې خپلې تجربې کولای شي.
د دې کينډۍ څېرمه مخونه.

[FOOTNOTECorsonMacKenzieSegrè1940-1] Corson، MacKenzie او Segrè 1940.

[Hermann-2] ۲٫۰ ^۲٫۱ Hermann, A.; Hoffmann, R.; Ashcroft, N. W. (2013). "Condensed Astatine: Monatomic and Metallic". Physical Review Letters. 111 (11): 116404-1–116404-5. Bibcode:2013PhRvL.111k6404H. doi:10.1103/PhysRevLett.111.116404. PMID 24074111.

[B&K-3] ۳٫۰ ^۳٫۱ Bonchev, D.; Kamenska, V. (1981). "Predicting the Properties of the 113–120 Transactinide Elements". The Journal of Physical Chemistry. 85 (9). ACS Publications: 1177–86. doi:10.1021/j150609a021. ترلاسه‌کېدو نېټه 6 May 2013.

[Glushko-4] Glushko, V. P.; Medvedev, V. A.; Bergma, G. A. (1966). Termicheskie Konstanty Veshchestv (in Russian). Vol. 1. Nakua. p. 65.{{cite book}}: CS1 maint: unrecognized language (link)

[FOOTNOTEGreenwoodEarnshaw200228-5] Greenwood او Earnshaw 2002، م. 28.

[6] Rothe, S.; Andreyev, A. N.; Antalic, S.; Borschevsky, A.; Capponi, L.; Cocolios, T. E.; De Witte, H.; Eliav, E.; Fedorov, D. V.; Fedosseev, V. N.; Fink, D. A.; Fritzsche, S.; Ghys, L.; Huyse, M.; Imai, N.; Kaldor, U.; Kudryavtsev, Yuri; Köster, U.; Lane, J. F. W.; Lassen, J.; Liberati, V.; Lynch, K. M.; Marsh, B. A.; Nishio, K.; Pauwels, D.; Pershina, V.; Popescu, L.; Procter, T. J.; Radulov, D.; Raeder, S. (2013). "Measurement of the First Ionization Potential of Astatine by Laser Ionization Spectroscopy". Nature Communications. 4: 1–6. doi:10.1038/ncomms2819. PMC 3674244. PMID 23673620. {{cite journal}}: Unknown parameter |displayauthors= ignored (|display-authors= suggested) (help)

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