Шаблон:Варақаи бор
 boron (β-rhombohedral)[1] | ||||||||||||||||
| Бор | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Талаффуз | /ˈb[unsupported input]ɒn/ | |||||||||||||||
| Номи дигар | boron | |||||||||||||||
| Аллотропҳо | α-, β-rhombohedral, β-tetragonal (and more) | |||||||||||||||
| Намуди зоҳирӣ | сиёҳтӯруқ | |||||||||||||||
| Вазни атомии муқаррарӣ Ar, std(B) | [10.806, 10.821] conventional: 10.81 | |||||||||||||||
| Бор дар ҷадвали даврӣ | ||||||||||||||||
| ||||||||||||||||
| Рақами атомӣ (Z) | 5 | |||||||||||||||
| Гурӯҳ | гурӯҳи 13 (гурӯҳи бор) | |||||||||||||||
| Давр | даври 2 | |||||||||||||||
| Блок | p-блок | |||||||||||||||
| Категорияи элемент | Нимметалл | |||||||||||||||
| Конфигуратсияи электрон | [He] 2s2 2p1 | |||||||||||||||
| Электронҳо аз рӯӣ ҷилд | 2, 3 | |||||||||||||||
| Хосиятҳои физикӣ | ||||||||||||||||
| Фаза дар ҲФМ | сахт | |||||||||||||||
| Нуқтаи гудозиш | 2349 K (2076 °C, 3769 °F) | |||||||||||||||
| Ҳарорати ҷӯшиш | 4200 K (3927 °C, 7101 °F) | |||||||||||||||
| Зичӣ ҳангоми моеъ будан (дар н.г.) | 2.08 гр/см3 | |||||||||||||||
| Ҳарорати гудозиши хос | 50.2 кҶ/мол | |||||||||||||||
| Ҳарорати буғшавии хос | 508 кҶ/мол | |||||||||||||||
| Гармигунҷоиши молярӣ | 11.087 Ҷ/(мол·К) | |||||||||||||||
Буғи сершуда
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| Хосиятҳои атомӣ | ||||||||||||||||
| Дараҷаҳои оксидшавӣ | −5, −1, +1, +2, +3[2][3] (a mildly acidic oxide) | |||||||||||||||
| Электроманфиият | Ҷадвали Полинг: 2.04 | |||||||||||||||
| Қувваҳои иондоршавӣ |
| |||||||||||||||
| Радиуси атом | эмпирикӣ: 90 пм | |||||||||||||||
| Радиуси ковалентӣ | 84±3 пм | |||||||||||||||
| Радиуси Ван дер Ваалс | 192 пм | |||||||||||||||
_NIST_ASD_emission_spectrum.png) | ||||||||||||||||
| Дигар хосиятҳо | ||||||||||||||||
| Сохтори булӯрӣ | rhombohedral | |||||||||||||||
| Суръати овоз thin rod | 16,200 м/с (дар 20 °C) | |||||||||||||||
| Васеъшавии ҳароратӣ | β form: 5–7 µm/(m·K) (дар 25 °C)[4] | |||||||||||||||
| Гармигузаронандагӣ | 27.4 W/(m·K) | |||||||||||||||
| Муқобилияти нисбӣ | ~106 Ω·m (дар 20 °C) | |||||||||||||||
| Тартибории магнитӣ | диамагнетик[5] | |||||||||||||||
| Таъсирпазирии магнитӣ | −6.7·10−6 см3/мол[6] | |||||||||||||||
| Сахтии Моос | ~9.5 | |||||||||||||||
| Рақами CAS | 7440-42-8 | |||||||||||||||
| Таърих | ||||||||||||||||
| Кашф | Joseph Louis Gay-Lussac and Louis Jacques Thénard[7] (30 June 1808) | |||||||||||||||
| Ҷудогузории аввалин | Ҳемфри Дэви[8] (9 July 1808) | |||||||||||||||
| Изотопҳои асосии бор | ||||||||||||||||
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| 10B content may be as low as 19.1% and as high as 20.3% in natural samples. 11B is the remainder in such cases.[10] | ||||||||||||||||
B P2101 | |||||
|---|---|---|---|---|---|
| in | calc from C | diff | report | ref | |
| C | 2076 | — | — | ||
| K | 2349 | 2349 | 0 | ||
| F | 3769 | 3769 | 0 | ||
| WD | Q618  |
normal+ | |||
| input | C: 2076, K: 2349, F: 3769 | ||||
| comment | |||||
B P2102 | |||||
|---|---|---|---|---|---|
| in | calc from C | diff | report | ref | |
| C | 3927 | — | — | ||
| K | 4200 | 4200 | 0 | ||
| F | 7101 | 7101 | 0 | ||
| WD | Q618 |
normal+ | |||
| input | C: 3927, K: 4200, F: 7101 | ||||
| comment | |||||
| Be ← |
→ C | |
| ||
| [] Data sets read by {{Варақаи унсури кимиёӣ}} | |
|---|---|
| Name and identifiers | |
| Top image (caption, alt) | |
| Pronunciation | |
| Category (enwiki) | |
| Standard atomic weight | |
| most stable isotope | |
| Natural occurrence | |
| Phase at STP | |
| Oxidation states | |
| Spectral lines image | |
| Electron configuration (cmt, ref) | |
| Term symbol * (cmt, ref) | |
| Wikidata * | |
| * Not used in {{Варақаи унсури кимиёӣ}} (2019-02-03) See also {{Варақаи унсури кимиёӣ/symbol-to--navbox}} | |
References
These references will appear in the article, but this list appears only on this page.
- ↑ Van Setten et al. 2007, pp. 2460–1
- ↑ (1995) «Infrared Emission Spectroscopy of BF and AIF». J. Molecular Spectroscopy 170 (1). doi:10.1006/jmsp.1995.1058. Bibcode: 1995JMoSp.170...82Z.
- ↑ Melanie Schroeder. Eigenschaften von borreichen Boriden und Scandium-Aluminium-Oxid-Carbiden(олмонӣ), стр. 139.
- ↑ (October 1973) «Physical-Chemical Properties of beta-Rhombohedral Boron». High Temp. Sci. 5 (5): 349–57.
- ↑ Lide, David R. (ed.) (2000). Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics (PDF). CRC press. ISBN 0849304814.
- ↑ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.
- ↑ (1808) «Sur la décomposition et la recomposition de l'acide boracique». Annales de chimie 68: 169–174.
- ↑ Davy H (1809). «An account of some new analytical researches on the nature of certain bodies, particularly the alkalies, phosphorus, sulphur, carbonaceous matter, and the acids hitherto undecomposed: with some general observations on chemical theory». Philosophical Transactions of the Royal Society of London 99: 39–104. doi:10.1098/rstl.1809.0005.
- 1 2 Atomic Weights and Isotopic Compositions for All Elements. National Institute of Standards and Technology. 21 сентябри 2008 санҷида шуд.
- ↑ Szegedi, S. (1990). «Determination of boron in glass by neutron transmission method». Journal of Radioanalytical and Nuclear Chemistry Letters 146 (3): 177. doi:10.1007/BF02165219.
Five of these are named references. They may be cited in the containing article as
- <ref name="v1" /> for the source Infrared Emission Spectroscopy of BF and AIF
- <ref name="magnet" /> for the source from Handbook of Chemistry and Physics
- <ref name="NISTic" /> for the source Atomic Weights and Isotopic Compositions for All Elements
- <ref name="Lussac" /> for the source by Gay-Lussac
- <ref name="Davy" /> for the source by Davy