Cadmium
| Latin name | Cadmium |
| English name | Cadmium |
| chemical symbol | Cd |
| atomic number | 48 |
| relative atomic mass | 112,8682 |
| period | 5 |
| group | II.B |
| classification | transition metals |
| discovery year | 1817 |
| discoverer | F. Stromeyer |
| melting point [°C] | 320,9 |
| boiling point [°C] | 765 |
| density [g cm-3] | 8,65 |
| density at melting point [g cm-3] | 7,996 |
| electronegativity [Pauling] | 1,69 |
| oxidation states | II |
| electron configuration | [Kr]4d10 5s2 |
| atomic radius [pm] | 161 |
| covalent radius [pm] | 148 |
| specific heat [J g-1K-1] | 0,23 |
| heat of fusion [kJ mol-1] | 6,192 |
| thermal conductivity [W m-1 K-1] | 97 |
| el. conductivity [S m-1] | 4,4.107 |
| 1. ionizing potential [eV] | 8,9937 |
| 2. ionizing potential [eV] | 16,908 |
| 3. ionizing potential [eV] | 37,48 |
| Mohs hardness | 2 |
| Brinell hardness [MPa] | 203 |
| shear modulus [GPa] | 19 |
| Young's modulus [GPa] | 50 |
| point of superconductivity [K] | 0,517 |
| state at normal conditions | solid |
Resources
- BARTHELMY, David. Mineral Species containing Cadmium. In: Mineralogy Database [online]. 2010 [cit. 2012-06-20]. Available from: http://webmineral.com/
- BRITISH GEOLOGICAL SURVEY. 2012. European Mineral Statistics 2006-10. Keyworth, Nottingham: British Geological Survey. ISBN 978-0-85272-698-3.
- HUSTED, Robert; et al. Cadmium. In: LANS. Los Alamos National Lab [online]. 2011 [cit. 2012-06-26]. Available from: http://periodic.lanl.gov/
- REMY, Heinrich. Anorganická chemie - II. díl. 2. české vydání, dotisk. Praha: SNTL, 1972, s. 455-465
- STARÝ, Jaromír; SITENSKÝ, Ivo; HODKOVÁ, Tereza. Surovinové zdroje České republiky - Nerostné suroviny 2011. In: Česká geologická služba. Surovinové zdroje v ČR [online]. 2011 [cit. 2012-07-25]. Available from: http://www.geology.cz/
- TOLCIN, Amy. Cadmium. In: U.S. GEOLOGICAL SURVEY. Mineral Commodity Summaries [online]. 2013 [cit. 2013-02-25]. Available from: http://minerals.usgs.gov/
© 2009-2016 | www.prvky.com | kontakt
