View source for Data:Physical and thermochemical properties of the elements

{| class="wikitable"
|-
! Element
! [[Atomic number|''Z'']]
! [[Atomic weight|''A''<sub>r</sub>]]
! Standard<br/>state
! [[Melting point|''T''<sub>m</sub>]]/°C
! [[Boiling point|''T''<sub>b</sub>]]/°C
! [[Density|''ρ'']]<br/>{{overline|g cm<sup>−3</sup>}}
! [[Standard entropy|''S''<sup><s>o</s></sup>]]<br/>{{overline|J K<sup>−1</sup> mol<sup>−1</sup>}}
! [[Enthalpy|''H''{{su|p=<s>o</s>|b=298}}−''H''{{su|p=<s>o</s>|b=0}}]]<br/>{{overline|kJ mol<sup>−1</sup>}}
! [[Enthalpy change of atomization|Δ<sub>at</sub>''H''<sup><s>o</s></sup>]]<br/>{{overline|kJ mol<sup>−1</sup>}}
! [[Enthalpy change of fusion|Δ<sub>fus</sub>''H'']]<br/>{{overline|kJ mol<sup>−1</sup>}}
! [[Enthalpy change of vaporization|Δ<sub>vap</sub>''H'']]<br/>{{overline|kJ mol<sup>−1</sup>}}
! Notes<br/>Refs.
|-
| [[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>
|-
| [[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>
|-
|}

==Notes==
{{reflist|group=note}}

==References==
{{reflist}}

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