Difference between revisions of "Beryllium"
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|atomic-weight = 9.012 182(3) | |atomic-weight = 9.012 182(3) | ||
|configuration = 1s<sup>2</sup> 2s<sup>2</sup> | |configuration = 1s<sup>2</sup> 2s<sup>2</sup> | ||
| − | |phys-ref = <ref name="NIST">{{NIST chemistry | name = Beryllium | id = 1S/Be | accessdate = 2010-06-20}}.</ref> | + | |phys-ref = <ref name="NIST">{{NIST chemistry | name = Beryllium | id = 1S/Be | accessdate = 2010-06-20}}.</ref><ref name="G&E">{{Greenwood&Earnshaw1st|pages=117–54}}.</ref> |
|melting-point = 1278 °C (1551 K) | |melting-point = 1278 °C (1551 K) | ||
|boiling-point = 1317 °C (1590 K) | |boiling-point = 1317 °C (1590 K) | ||
| − | |chem-ref = <ref>{{Allred (1961)}}.</ref> | + | |density = 1.848 g cm<sup>−3</sup> (20 °C) |
| + | |resistivity = 4.46 µΩ cm | ||
| + | |chem-ref = <ref name="G&E"/><ref>{{Allred (1961)}}.</ref> | ||
|electronegativity = 1.57 (Pauling) | |electronegativity = 1.57 (Pauling) | ||
| + | |solubility = insoluble, unreactive | ||
|IE-ref = <ref>{{NSRDS-NBS 34}}.</ref> | |IE-ref = <ref>{{NSRDS-NBS 34}}.</ref> | ||
|IE1 = 9.322 6277(13) eV<br/>895.064 89(12) kJ mol<sup>−1</sup> | |IE1 = 9.322 6277(13) eV<br/>895.064 89(12) kJ mol<sup>−1</sup> | ||
Revision as of 18:54, 21 September 2010
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Beryllium (symbol: Be) is a chemical element, the lightest of the alkaline earth metals.
Notes and references
Notes
References
- ↑ 1.0 1.1 Beryllium. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/Be>. (accessed 20 June 2010).
- ↑ 2.0 2.1 Greenwood, Norman N.; Earnshaw, A. Chemistry of the Elements; Pergamon: Oxford, 1984; pp 117–54. ISBN 0-08-022057-6.
- ↑ Allred, A. L. Electronegativity values from thermochemical data. J. Inorg. Nucl. Chem. 1961, 17 (3–4), 215–21. DOI: 10.1016/0022-1902(61)80142-5.
- ↑ Moore, Charlotte E. Ionization potentials and ionization limits derived from the analyses of optical spectra. Natl. Stand. Ref. Data Ser., (U.S. Natl. Bur. Stand.) 1970, 34, 1–22, <http://www.nist.gov/data/nsrds/NSRDS-NBS34.pdf>.
- ↑ Cordero, Beatriz; Gómez, Verónica; Platero-Prats, Ana E.; Revés, Marc; Echeverría, Jorge; Cremades, Eduard; Barragán, Flavia; Alvarez, Santiago Covalent radii revisited. Dalton Trans. 2008 (5), 2832–38. DOI: 10.1039/b801115j.
- ↑ Shannon, R. D. Revised effective ionic radii and systematic studies of interatomic distances in halids and chalcogenides. Acta Crystallogr. A 1976, 32 (5), 751–67. DOI: 10.1107/S0567739476001551.
- ↑ Cox, J. D.; Wagman, D. D.; Medvedev, V. A. CODATA Key Values for Thermodynamics; Hemisphere: New York, 1989. ISBN 0891167587, <http://www.codata.org/resources/databases/key1.html>.
- ↑ Index no. 004-001-00-7 of Annex VI, Part 3, to Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16 December 2008 on classification, labelling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and amending Regulation (EC) No 1907/2006. OJEU L353, 31.12.2008, pp 1–1355 at p 340.
External links
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See also the corresponding article on Wikipedia. |
- WebElements
- Beryllium and Beryllium Compounds. In Beryllium, Cadmium, Mercury, and Exposures in the Glass Manufacturing Industry; IARC Monographs on the Evaluation of Carcinogenic Risks to Humans 58; International Agency for Research on Cancer: Lyon, France, 1993; pp 41–117. ISBN 92-832-1258-4, <http://monographs.iarc.fr/ENG/Monographs/vol58/mono58-6.pdf>.
- International Chemical Safety Card 0226
- IPCS Environmental Health Criteria 106: Beryllium
- IPCS Concise International Chemical Assessment Document 32: Beryllium and Beryllium Compounds
- IPCS Health and Safety Guide 044: Beryllium
- Entry for "Beryllium and compounds" on the Australian National Pollutant Inventory
- Beryllium and beryllium compounds, NIOSH Pocket Guide to Chemical Hazards
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