Rhenium
| Latin name | Rhenium |
| English name | Rhenium |
| chemical symbol | Re |
| atomic number | 75 |
| relative atomic mass | 186,207 |
| period | 6 |
| group | VII.B |
| classification | transition metals |
| discovery year | 1925 |
| discoverer | Noddack, Tacke Berg |
| melting point [°C] | 3180 |
| boiling point [°C] | 5627 |
| density [g cm-3] | 21 |
| density at melting point [g cm-3] | 18,9 |
| electronegativity [Pauling] | 1,9 |
| oxidation states | III ˜ VII |
| electron configuration | [Xe]4f14 5d5 6s2 |
| atomic radius [pm] | 188 |
| covalent radius [pm] | 159 |
| specific heat [J g-1K-1] | 0,13 |
| heat of fusion [kJ mol-1] | 33,2 |
| thermal conductivity [W m-1 K-1] | 48 |
| el. conductivity [S m-1] | 5,6.106 |
| 1. ionizing potential [eV] | 7,88 |
| Mohs hardness | 7 |
| Vickers hardness [MPa] | 2450 |
| Brinell hardness [MPa] | 1320 |
| shear modulus [GPa] | 178 |
| Young's modulus [GPa] | 463 |
| point of superconductivity [K] | 1,7 |
| state at normal conditions | solid |
Resources
- BARTHELMY, David. Mineral Species containing Rhenium. In: Mineralogy database [online]. 2010 [cit. 2012-06-12]. Available from: http://webmineral.com/chem/Chem-Re.shtml
- HOUSER, Pavel. Diborid rhénia proti diamantu. In: Science World [online]. 2007 [cit. 2012-06-12]. Available from: http://www.scienceworld.cz/.../diborid-rhenia-proti-diamantu/
- HUSTED, Robert; et al. Rhenium. In: LOS ALAMOS NATIONAL SECURITY. Los Alamos National Lab [online]. 2011 [cit. 2012-05-17]. Available from: http://periodic.lanl.gov/75.shtml
- POLYAK, Désirée. Rhenium. In: U.S. GEOLOGICAL SURVEY. Mineral Commodity Summaries [online]. 2013 [cit. 2013-03-03]. Available from: http://minerals.usgs.gov/.../mcs-2013-rheni.pdf
- REMY, Heinrich. Anorganická chemie - II. díl. 2. české vydání, dotisk. Praha: SNTL 1972, s. 248-257
- STWERTKA, Albert. A Guide to the Elements. Oxford: University Press, 2002. ISBN 0-19-515027-9.
© 2009-2015 | www.prvky.com | kontakt
