Iodine
| Latin name | Iodum |
| English name | Iodine |
| chemical symbol | I |
| atomic number | 53 |
| relative atomic mass | 126,90447 |
| period | 5 |
| group | VII.A |
| classification | halogens |
| discovery year | 1811 |
| melting point [°C] | 113,5 |
| boiling point [°C] | 184,35 |
| critical temperature [°C] | 546 |
| critical pressure [MPa] | 11,7 |
| density [g cm-3] | 4,93 |
| electronegativity [Pauling] | 2,66 |
| oxidation states | -I, I, V, VII |
| electron configuration | [Kr]4d10 5s2 5p5 |
| atomic radius [pm] | 115 |
| covalent radius [pm] | 133 |
| specific heat [J g-1K-1] | 0,2 |
| heat of fusion [kJ mol-1] | 7,824 |
| thermal conductivity [W m-1 K-1] | 0,449 |
| el. conductivity [S m-1] | 1.10-7 |
| 1. ionizing potential [eV] | 10,4513 |
| 2. ionizing potential [eV] | 19,131 |
| 3. ionizing potential [eV] | 33,0 |
| state at normal conditions | solid |
Resources
- BARTHELMY, David. Mineral Species containing Iodine. In: Mineralogy database [online]. 2010 [cit. 2012-06-20]. Available from: http://webmineral.com/chem/Chem-I.shtml
- JURSÍK, František. Anorganická chemie nekovů. Praha: Vysoká škola chemicko-technologická, 2001. ISBN 80-7080-417-3.
- KLIKORKA, Jiří; et al. Obecná a anorganická chemie. 2. nezměněné vydání. Praha: SNTL, 1989.
- MELLOR, Joseph. Comprehensive Treatise on Inorganic and Theoretical Chemistry. Vol. 2. Londýn: Longmans, Green & Co., 1922.
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