Difference between revisions of "Data:Physical and thermochemical properties of the elements"
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| − | | [[Actinium]] || 89 || || Ac (cr) || 1050 || 3300 || 10.07 || || || 406 || 10.5 || 293 || <ref>{{citation | last1 = Kirby | first1 = H. W. | last2 = Morss | first2 = L. R. | contribution = Actinium | title = The Chemistry of the Actinide and Transactinide Elements | editor1-first = Lester R. | editor1-last = Morss | editor2-first = Norman M. | editor2-last = Edelstein | editor3-first = Jean | editor3-last = Fuger | edition = 3rd | year = 2006 | volume = 1 | publisher = Springer | location = Dordrecht, the Netherlands | chapter = 2 | pages = 18–51 | url = http://radchem.nevada.edu/classes/rdch710/files/actinium.pdf | doi = 10.1007/1-4020-3598-5_2}}.</ref><ref name="G&E">{{Greenwood&Earnshaw1st}}.</ref><ref group="note">Many of the properties of actinium are only known through estimation and/or extrapolation. Several estimates of the melting point and thermodynamic properties have been made; the boiling point was estimated on the basis of vapour pressure measurements. The density was determined by X-ray crystallography.</ref> | + | | [[Actinium]] || 89 || <ref group="note" name="Ar">This element has no stable isotopes and no characteristic terrestrial abundance: no standard atomic weight can be given.</ref> || Ac (cr) || 1050 || 3300 || 10.07 || || || 406 || 10.5 || 293 || <ref>{{citation | last1 = Kirby | first1 = H. W. | last2 = Morss | first2 = L. R. | contribution = Actinium | title = The Chemistry of the Actinide and Transactinide Elements | editor1-first = Lester R. | editor1-last = Morss | editor2-first = Norman M. | editor2-last = Edelstein | editor3-first = Jean | editor3-last = Fuger | edition = 3rd | year = 2006 | volume = 1 | publisher = Springer | location = Dordrecht, the Netherlands | chapter = 2 | pages = 18–51 | url = http://radchem.nevada.edu/classes/rdch710/files/actinium.pdf | doi = 10.1007/1-4020-3598-5_2}}.</ref><ref name="G&E">{{Greenwood&Earnshaw1st}}.</ref><ref group="note">Many of the properties of actinium are only known through estimation and/or extrapolation. Several estimates of the melting point and thermodynamic properties have been made; the boiling point was estimated on the basis of vapour pressure measurements. The density was determined by X-ray crystallography.</ref> |
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| [[Aluminium]] || 13 || 26.981 5386(8) || Al (cr) || 660.37 || 2467 || 2.699 || 28.30(10) || 4.540(20) || +330.0(40) || 10.56 || 290.8 || <ref name="CODATA">{{CODATA thermo}}.</ref><ref>{{NIST chemistry | name = Aluminium | id = 1S/Al | accessdate = 2010-12-27}}.</ref> | | [[Aluminium]] || 13 || 26.981 5386(8) || Al (cr) || 660.37 || 2467 || 2.699 || 28.30(10) || 4.540(20) || +330.0(40) || 10.56 || 290.8 || <ref name="CODATA">{{CODATA thermo}}.</ref><ref>{{NIST chemistry | name = Aluminium | id = 1S/Al | accessdate = 2010-12-27}}.</ref> | ||
Revision as of 18:55, 3 April 2011
| Element | Z | Ar | Standard state |
Tm/°C | Tb/°C | ρ g cm−3 |
S J K−1 mol−1 |
H kJ mol−1 |
ΔatH kJ mol−1 |
ΔfusH kJ mol−1 |
ΔvapH kJ mol−1 |
Notes Refs. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Actinium | 89 | [note 1] | Ac (cr) | 1050 | 3300 | 10.07 | 406 | 10.5 | 293 | [1][2][note 2] | ||
| Aluminium | 13 | 26.981 5386(8) | Al (cr) | 660.37 | 2467 | 2.699 | 28.30(10) | 4.540(20) | +330.0(40) | 10.56 | 290.8 | [3][4] |
Notes
- ↑ This element has no stable isotopes and no characteristic terrestrial abundance: no standard atomic weight can be given.
- ↑ Many of the properties of actinium are only known through estimation and/or extrapolation. Several estimates of the melting point and thermodynamic properties have been made; the boiling point was estimated on the basis of vapour pressure measurements. The density was determined by X-ray crystallography.
References
- ↑ Kirby, H. W.; Morss, L. R. Actinium. In The Chemistry of the Actinide and Transactinide Elements, 3rd ed.; Morss, Lester R.; Edelstein, Norman M.; Fuger, Jean, Eds.; Springer: Dordrecht, the Netherlands, 2006; Vol. 1, Chapter 2, pp 18–51. doi:10.1007/1-4020-3598-5_2, <http://radchem.nevada.edu/classes/rdch710/files/actinium.pdf>.
- ↑ Greenwood, Norman N.; Earnshaw, A. Chemistry of the Elements; Pergamon: Oxford, 1984. ISBN 0-08-022057-6.
- ↑ 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>.
- ↑ Aluminium. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/Al>. (accessed 27 December 2010).
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