Beryllium
| Latin name | Beryllium |
| English name | Beryllium |
| chemical symbol | Be |
| atomic number | 4 |
| relative atomic mass | 9,012182 |
| period | 2 |
| group | II.A |
| classification | metals |
| discovery year | 1798 |
| discoverer | L. N. Vauquelin |
| melting point [°C] | 1287 |
| boiling point [°C] | 2472 |
| density [g cm-3] | 1,848 |
| density at melting point [g cm-3] | 1,69 |
| electronegativity [Pauling] | 1,57 |
| electronegativity [Mulliken] | 1,54 |
| stand. electrode potential [V] | −1,85 |
| oxidation states | II |
| electron configuration | [He]2s2 |
| atomic radius [pm] | 112 |
| covalent radius [pm] | 90 |
| specific heat [J g-1K-1] | 1,82 |
| heat of fusion [kJ mol-1] | 12,2 |
| skupenské teplo tání [kJ mol-1] | 297 |
| thermal conductivity [W m-1 K-1] | 200 |
| el. conductivity [S m-1] | 2,5.107 |
| 1. ionizing potential [eV] | 9,3226 |
| 2. ionizing potential [eV] | 18,211 |
| 3. ionizing potential [eV] | 153,893 |
| Mohs hardness | 5,5 |
| Vickers hardness [MPa] | 1670 |
| Brinell hardness [MPa] | 600 |
| shear modulus [GPa] | 132 |
| Young's modulus [GPa] | 287 |
| point of superconductivity [K] | 0,026 |
| state at normal conditions | solid |
Resources
- BARTHELMY, David. Mineral Species containing Beryllium. In: Mineralogy database [online]. 2010 [cit. 2012-04-11]. Available from: http://webmineral.com/
- HUSTED, Robert; et al. Beryllium. In: LOS ALAMOS NATIONAL SECURITY. Los Alamos National Lab [online]. 2011 [cit. 2012-05-12]. Available from: http://periodic.lanl.gov/
- JASKULA, Brian. Beryllium. In: U.S. GEOLOGICAL SURVEY. Mineral Commodity Summaries [online]. 2013 [cit. 2013-02-07]. Available from: http://minerals.usgs.gov/
- JURSÍK, František. Anorganická chemie kovů. 1. vyd. Praha: Vysoká škola chemicko-technologická, 2002. ISBN 80-7080-504-8.
- NOVOSELOVA, Alkesandra; BACANOVA, Ljudmila. Analitičeskaja chimija berillija. Moskva: Nauka, 1966.
- 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/
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