Шаблон:Варақаи астат

Астат, ₈₅At
Астат
Талаффуз	/ˈæstətiːn, -tɪn/ (AS-tə-teen, -⁠tin)
Номи дигар	astatine
Рақами массавӣ	[210]
Астат дар ҷадвали даврӣ
	полоний ← астат → радон
Рақами атомӣ (Z)	85
Гурӯҳ	гурӯҳи 17 (ҳалогенҳо)
Давр	даври 6
Блок	p-блок
Категорияи элемент	Нимметалл, sometimes classified as a nonmetal, or a metal
Конфигуратсияи электрон	[Xe] 4f14 5d10 6s2 6p5
Электронҳо аз рӯӣ ҷилд	2, 8, 18, 32, 18, 7
Хосиятҳои физикӣ
Фаза дар ҲФМ	solid
Ҳарорати ҷӯшиш	503±3 K (230±3 °C, 445±5 °F) (estimated)
Зичӣ (наздик ба ҳ.х.)	(At2) 6.35±0.15 гр/см3 (predicted)
Ҳаҷми молярӣ	(At2) 32.94 см3/мол (predicted)
Ҳарорати буғшавии хос	(At2) 54.39 кҶ/мол
Хосиятҳои атомӣ
Дараҷаҳои оксидшавӣ	−1, +1, +3, +5, +7
Электроманфиият	Ҷадвали Полинг: 2.2
Қувваҳои иондоршавӣ	1-ум: 899.003 кҶ/мол ; ;
Радиуси ковалентӣ	150 пм
Радиуси Ван дер Ваалс	202 пм
Дигар хосиятҳо
Сохтори булӯрӣ	face-centered cubic (fcc) ; (predicted)
Гармигузаронандагӣ	1.7 W/(m·K)
Рақами CAS	7440-68-8
Таърих
Номгузорӣ	after Greek astatos (αστατος), meaning "unstable"
Кашф	Dale R. Corson, Kenneth Ross MacKenzie, Эмилио Сегре (1940)
Изотопҳои асосии астат
α	205Bi
α	206Bi
α	207Bi
	дидан; баҳс; вироиш; \| пайвандҳо

Check temperatures At: no input for C, K, F.

At P2102 data b.p. cat v
	in	calc from C	diff	report	ref
C	230	—	—
K	503	503	0
F	445	446	-1	delta
WD	999 !Q999				normal+
input	C: 230±3, K: 503±3, F: 445±5
comment	(estimated)^[3]

PTАстат

Po ← i'box Po	iso 85At E infobox E isobox	→ Rn i'box Rn
Commons Wikidata:Q999 Wiktionary Индекс дар ҶП: § поён · Саҳифа
д б в

[v] Data sets read by {{Варақаи унсури кимиёӣ}}
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References

These references will appear in the article, but this list appears only on this page.

↑ Corson, MacKenzie.
↑ ^2.0 ^2.1 (2013) «Condensed Astatine: Monatomic and Metallic». Physical Review Letters 111 (11): 116404-1–116404-5. doi:10.1103/PhysRevLett.111.116404. PMID 24074111. Bibcode: 2013PhRvL.111k6404H.
↑ (1982) «Estimation Chemical Form Boiling Point Elementary Astatine by Radio Gas Chromatography». Radiochimica Acta 31 (3–4): 201–203. doi:10.1524/ract.1982.31.34.201.
↑ ^4.0 ^4.1 (1981) «Predicting the Properties of the 113–120 Transactinide Elements». The Journal of Physical Chemistry (ACS Publications) 85 (9): 1177–86. doi:10.1021/j150609a021. Санҷида шуд 6 May 2013.
↑ Glushko, V. P.; Medvedev, V. A.; Bergma, G. A. (1966). Termicheskie Konstanty Veshchestv (in Russian) 1. Nakua. p. 65.
↑ Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. p. 28. ISBN 978-0-08-037941-8.
↑ (2013) «Measurement of the First Ionization Potential of Astatine by Laser Ionization Spectroscopy». Nature Communications 4: 1–6. doi:10.1038/ncomms2819. PMID 23673620. Bibcode: 2013NatCo...4E1835R.

Шаблон:Documentation

[Corson—MacKenzie——-1] Corson, MacKenzie.

[Hermann-2] 2.0 ^2.1 (2013) «Condensed Astatine: Monatomic and Metallic». Physical Review Letters 111 (11): 116404-1–116404-5. doi:10.1103/PhysRevLett.111.116404. PMID 24074111. Bibcode: 2013PhRvL.111k6404H.

[boiling_point_chromatography-3] (1982) «Estimation Chemical Form Boiling Point Elementary Astatine by Radio Gas Chromatography». Radiochimica Acta 31 (3–4): 201–203. doi:10.1524/ract.1982.31.34.201.

[B&K-4] 4.0 ^4.1 (1981) «Predicting the Properties of the 113–120 Transactinide Elements». The Journal of Physical Chemistry (ACS Publications) 85 (9): 1177–86. doi:10.1021/j150609a021. Санҷида шуд 6 May 2013.

[Glushko-5] Glushko, V. P.; Medvedev, V. A.; Bergma, G. A. (1966). Termicheskie Konstanty Veshchestv (in Russian) 1. Nakua. p. 65.

[6] Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. p. 28. ISBN 978-0-08-037941-8.

[7] (2013) «Measurement of the First Ionization Potential of Astatine by Laser Ionization Spectroscopy». Nature Communications 4: 1–6. doi:10.1038/ncomms2819. PMID 23673620. Bibcode: 2013NatCo...4E1835R.

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