Oxygen
| Latin name | Oxygenium |
| English name | Oxygen |
| chemical symbol | O |
| atomic number | 8 |
| relative atomic mass | 15,9994 |
| period | 2 |
| group | VI.A |
| classification | nonmetals |
| discovery year | 1774 |
| discoverer | J. Pristley |
| melting point [°C] | -218,4 |
| boiling point [°C] | -182,962 |
| critical temperature [°C] | -118,56 |
| critical pressure [MPa] | 5,043 |
| density [g cm-3] | 0,001429 |
| electronegativity [Pauling] | 3,44 |
| oxidation states | -II, -I, I |
| electron configuration | [He]2s2 2p4 |
| atomic radius [pm] | 48 |
| covalent radius [pm] | 73 |
| specific heat [J g-1K-1] | 0,92 |
| heat of fusion [kJ mol-1] | 0,22259 |
| thermal conductivity [W m-1 K-1] | 0,02658 |
| 1. ionizing potential [eV] | 13,6181 |
| 2. ionizing potential [eV] | 35,117 |
| 3. ionizing potential [eV] | 54,934 |
| state at normal conditions | gas |
Resources
- ČERNÝ, Miroslav; DOBIÁŠ, Jiří. Technické plyny. 1. vydání. Praha: SNTL, 1969.
- JURSÍK, František. Anorganická chemie nekovů. Praha: Vysoká škola chemicko-technologická, 2001. ISBN 80-7080-417-3.
- KULVEITOVÁ, Hana. Chemie II: Chemie prvků. In: Vysoká škola báňská - Technická univerzita Ostrava [online]. 2010 [cit. 2012-06-27]. ISBN 978-80-248-1322-6. Available from: http://www.studopory.vsb.cz/.../ChemieII.pdf
- STWERTKA, Albert. A Guide to the Elements. Oxford: University Press, 2002. ISBN 0-19-515027-9.
- TOUŽÍN, Jiří. Stručný přehled chemie prvků. Brno: Tribun EU, 2008. ISBN 978-80-7399-527-0.
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