Tellurium
| Latin name | Tellurium |
| English name | Tellurium |
| chemical symbol | Te |
| atomic number | 52 |
| relative atomic mass | 127,6 |
| period | 5 |
| group | VI.A |
| classification | nonmetals |
| discovery year | 1782 |
| discoverer | Muller von Reichenstein |
| melting point [°C] | 449,5 |
| boiling point [°C] | 989,9 |
| density [g cm-3] | 6,24 |
| density at melting point [g cm-3] | 5,79 |
| electronegativity [Pauling] | 2,1 |
| stand. el. potential [V] | +0,57 |
| oxidation states | -II, II, IV, VI |
| electron configuration | [Kr]4d10 5s2 5p4 |
| atomic radius [pm] | 123 |
| covalent radius [pm] | 135 |
| specific heat [J g-1K-1] | 0,2 |
| heat of fusion [kJ mol-1] | 17,49 |
| thermal conductivity [W m-1 K-1] | 3 |
| el. conductivity [S m-1] | 1.104 |
| 1. ionizing potential [eV] | 9,0096 |
| 2. ionizing potential [eV] | 18,6 |
| 3. ionizing potential [eV] | 27,96 |
| Mohs hardness | 2,25 |
| Brinell hardness [MPa] | 180 |
| shear modulus [GPa] | 16 |
| Young's modulus [GPa] | 43 |
| state at normal conditions | solid |
Resources
- BAGNALL, Kenneth. Chimija selena, tellura i polonija. Moskva: Atomizdat, 1971.
- BARTHELMY, David. Mineral Species containing Tellurium. In: Mineralogy database [online]. 2010 [cit. 2012-06-20]. Available from: http://webmineral.com/.../Chem-Te.shtml
- HUSTED, Robert; et al. Tellurium. In: LANS Los Alamos National Lab [online]. 2011 [cit. 2012-08-26]. Available from: http://periodic.lanl.gov/52.shtml
- JURSÍK, František. Anorganická chemie nekovů. Praha: Vysoká škola chemicko-technologická, 2001. ISBN 80-7080-417-3.
- KAMENÍČEK, Jiří; et al. Anorganická chemie. 4. vydání. Olomouc: Univerzita Palackého, 2009. ISBN 978-80-244-2387-6.
- KLIKORKA, Jiří; et al. Obecná a anorganická chemie. 2. nezměněné vydání. Praha: SNTL, 1989.
- KUDRJAVCEV, Aleksandr. Chimija i technologija selena i tellura. 2-oe pererab. i dopoln. izd. Moskva: Metallurgija, 1968.
- MELLOR, Joseph. Comprehensive Treatise on Inorganic and Theoretical Chemistry. Vol. 11. Londýn: Longmans, Green & Co., 1931.
- SINDEEVA, N.D. Mineralogy and types of deposits of selenium and tellurium. New York: Wiley and Sons, 1964.
- STARÝ, Jaromír; SITENSKÝ, Ivo; HODKOVÁ, Tereza. Surovinové zdroje České republiky - Nerostné suroviny 2011. In: Česká geologická služba. Surovinové zdroje v ČR [online]. 2011 [cit. 2012-08-01]. Available from: http://www.geology.cz/.../rocenka2011sur.pdf
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