Strontium
| Latin name | Strontium |
| English name | Strontium |
| chemical symbol | Sr |
| atomic number | 38 |
| relative atomic mass | 87,62 |
| period | 5 |
| group | II.A |
| classification | alkaline earth metals |
| discovery year | 1793 |
| discoverer | M. H. Klaproth |
| melting point [°C] | 769 |
| boiling point [°C] | 1384 |
| density [g cm-3] | 2,6 |
| density at melting point [g cm-3] | 6,98 |
| electronegativity [Pauling] | 0,95 |
| stand. el. potential [V] | −2,899 |
| oxidation states | -II, +II |
| electron configuration | [Kr]5s2 |
| atomoic radius [pm] | 219 |
| covalent radius [pm] | 182 |
| specific heat [J g-1K-1] | 0,3 |
| heat of fusion [kJ mol-1] | 8,3 |
| thermal conductivity [W m-1 K-1] | 35,4 |
| el. conductivity [S m-1] | 2.106 |
| 1. ionizing potential [eV] | 5,6948 |
| 2. ionizing potential [eV] | 11,03 |
| 3. ionizing potential [eV] | 43,6 |
| Mohs hardness | 1,5 |
| Young's modulus [GPa] | 6,1 |
| state at normal conditions | solid |
Resources
- ANGULO, Marc. Strontium. In: U.S. GEOLOGICAL SURVEY. Mineral Commodity Summaries [online]. 2013 [cit. 2013-03-29]. Available from: http://minerals.usgs.gov/.../mcs-2013-stron.pdf
- BARTHELMY, David. Mineral Species containing Strontium. In: Mineralogy database [online]. 2010 [cit. 2012-06-20]. Available from: http://webmineral.com/.../Chem-Sr.shtml
- JURSÍK, František. Anorganická chemie kovů. 1. vyd. Praha: Vysoká škola chemicko-technologická, 2002. ISBN 80-7080-504-8.
- MELLOR, Joseph. Comprehensive Treatise on Inorganic and Theoretical Chemistry. Vol. 3. Londýn: Longmans, Green & Co., 1923.
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