Mal:Kotak inpo boron
Tampilan
Boron boron· | ||||||||||||||||
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Pabaosan | /ˈbɔːrɒn/ | |||||||||||||||
Alotrop | α-, β-rhombohedral, β-tetragonal (miwah liyanan) | |||||||||||||||
Cingakan | selem masawang soklat | |||||||||||||||
Bobot atom standar Ar, std(B) | [, 10.806] konvénsional: 10.821 10.81 | |||||||||||||||
Boron ring tabél périodik | ||||||||||||||||
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Wilangan atom (Z) | 5 | |||||||||||||||
Watek | golongan 13 (golongan boron) | |||||||||||||||
Période | période 2 | |||||||||||||||
Blok | blok-p | |||||||||||||||
Konpigurasi éléktron | [Hé] 2s2 2p1 | |||||||||||||||
Éléktron per kulit | 2, 3 | |||||||||||||||
Cecirén pisik | ||||||||||||||||
Pase ring STP | padet | |||||||||||||||
Titik lebur | 2349 K (2076 °C, 3769 °F) | |||||||||||||||
Titik didih | 4200 K (3927 °C, 7101 °F) | |||||||||||||||
Kapadetan ri kala éncéh (ring t.l.) | 2.08 g/cm3 | |||||||||||||||
Panes fusi | 50.2 kJ/mol | |||||||||||||||
Panes panguapan | 508 kJ/mol | |||||||||||||||
Kapasitas panes molar | 11.087 J/(mol·K) | |||||||||||||||
Tekanan uap
| ||||||||||||||||
Cecirén atom | ||||||||||||||||
Paindikan oksidasi | −5, −1, 0,[2] +1, +2, +3[3][4] (oksida asam tenga) | |||||||||||||||
Kaéléktronégatipan | skala Pauling: 2.04 | |||||||||||||||
Wasa ionisasi |
| |||||||||||||||
Jeriji atom | émpiris: 90 pm | |||||||||||||||
Jeriji kovalén | 84±3 pm | |||||||||||||||
Jeriji Van der Waals | 192 pm | |||||||||||||||
Garis spéktral saking boron | ||||||||||||||||
Cecirén liyanan | ||||||||||||||||
Rupa alami | primordial | |||||||||||||||
Struktur kristal | rombohédron | |||||||||||||||
Kagelisan swara pales tipis | 16,200 m/s (ring 20 °C) | |||||||||||||||
Ékspansi térmal | β form: 5–7 µm/(m⋅K) (ring 25 °C)[5] | |||||||||||||||
Konduktivitas térmal | 27.4 W/(m⋅K) | |||||||||||||||
Resistivitas listrik | ~106 Ω⋅m (ring 20 °C) | |||||||||||||||
bacakan magnétik | diamagnetic[6] | |||||||||||||||
Karentanan magnétik molar | ×10−6 cm3/mol −6.7[6] | |||||||||||||||
Kakatosan Mohs | ~9.5 | |||||||||||||||
Nomor CAS | 7440-42-8 | |||||||||||||||
Lelintihan | ||||||||||||||||
Panemuan | Joseph Louis Gay-Lussac and Louis Jacques Thénard[7] (30 Juni 1808) | |||||||||||||||
Isolasi kapertama | Humphry Davy[8] (9 Juli 1808) | |||||||||||||||
Isotop utama boron | ||||||||||||||||
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10B 19.1–20.3% madaging ring sampel alami, sareng sisa jyané punika 11B.[10] | ||||||||||||||||
B:
| |||||
---|---|---|---|---|---|
ring | itung saking C | bina | parihindik | pus | |
C | 2076 | — | — | ||
K | 2349 | 2349 | 0 | ||
F | 3769 | 3769 | 0 | ||
présisi maks | 0 | ||||
WD | 2.077 Celsius | ||||
dagingan | C: 2076, K: 2349, F: 3769 | ||||
pabligbagan |
B:
| |||||
---|---|---|---|---|---|
ring | itung saking C | bina | parihindik | pus | |
C | 3927 | — | — | ||
K | 4200 | 4200 | 0 | ||
F | 7101 | 7101 | 0 | ||
présisi maks | 0 | ||||
WD | 4.000 Celsius | ||||
dagingan | C: 3927, K: 4200, F: 7101 | ||||
pabligbagan |
Pupulan data kabaca olih {{Infobox element}} | |
---|---|
Aran miwah pangenal | |
Gambar duur (sesirah, alt) | |
Cara pabaosan | |
Bobot atom standar | |
isotop pinih tegteg | |
Rupa alami | |
Pase ring STP | |
Paindikan oksidasi | |
Gambar garis spéktrum | |
Konpigurasi éléktron (cmt, ref) | |
Simbol paistilah * (cmt, ref) | |
Wikidata * | |
* Nénten kaanggén malih {{Infobox element}} (2019-02-03) Cingak taler {{Infobox element/symbol-to--navbox}} |
Pustaka
- ↑ Van Setten et al. 2007, pp. 2460–1
- ↑ Braunschweig, H.; Dewhurst, R. D.; Hammond, K.; Mies, J.; Radacki, K.; Vargas, A. (2012). "Ambient-Temperature Isolation of a Compound with a Boron-Boron Triple Bond". Science. 336 (6087): 1420–2. Bibcode:2012Sci...336.1420B. doi:10.1126/science.1221138. PMID 22700924. S2CID 206540959.
- ↑ Zhang, K.Q.; Guo, B.; Braun, V.; Dulick, M.; Bernath, P.F. (1995). "Infrared Emission Spectroscopy of BF and AIF" (PDF). J. Molecular Spectroscopy. 170 (1): 82. Bibcode:1995JMoSp.170...82Z. doi:10.1006/jmsp.1995.1058.
- ↑ Melanie Schroeder. Eigenschaften von borreichen Boriden und Scandium-Aluminium-Oxid-Carbiden (PDF) (ring Jerman). p. 139.
- ↑ Holcombe Jr., C. E.; Smith, D. D.; Lorc, J. D.; Duerlesen, W. K.; Carpenter; D. A. (October 1973). "Physical-Chemical Properties of beta-Rhombohedral Boron". High Temp. Sci. 5 (5): 349–57.
- ↑ 6,0 6,1 Haynes, William M., ed. (2016). CRC Handbook of Chemistry and Physics (édisi ka-97th). CRC Press. p. 4.127. ISBN 9781498754293.
- ↑ Gay Lussac, J.L.; Thenard, L.J. (1808). "Sur la décomposition et la recomposition de l'acide boracique". Annales de chimie. 68: 169–174. Unknown parameter
|name-list-style=
ignored (help) - ↑ 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.
- ↑ 9,0 9,1 "Atomic Weights and Isotopic Compositions for All Elements". National Institute of Standards and Technology. Kaaksés 2008-09-21.
- ↑ Szegedi, S.; Váradi, M.; Buczkó, Cs. M.; Várnagy, M.; Sztaricskai, T. (1990). "Determination of boron in glass by neutron transmission method". Journal of Radioanalytical and Nuclear Chemistry Letters. 146 (3): 177. doi:10.1007/BF02165219.
Silih tunggil punika pustaka maaran. Puniki prasida kaanggit ring suratan sané madaging manados
- <ref name="CIAAW2013" /> antuk wit Bobot datu atom 2013 (saking submal sané kaanggén olih {{infobox element}})
- <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
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