Krypton
Latin name | Krypton |
English name | Krypton |
chemical symbol | Kr |
atomic number | 36 |
relative atomic mass | 83,8 |
period | 4 |
group | VIII.A |
classification | noble gases |
discovery year | 1898 |
discoverer | Ramsay |
melting point [°C] | -156,6 |
boiling point [°C] | -152,3 |
critical temperature [°C] | -63,74 |
critical pressure [MPa] | 5,5 |
density [g cm-3] | 0,003708 |
electronegativity [Pauling] | 3,0 |
oxidation states | IV |
electron configuration | [Ar]3d10 4s2 4p6 |
atomic radius [pm] | 88 |
covalent radius [pm] | 110 |
specific heat [J g-1K-1] | 0,248 |
heat of fusion [kJ mol-1] | 1,638 |
thermal conductivity [W m-1 K-1] | 0,00943 |
1. ionizing potential [eV] | 13,9996 |
2. ionizing potential [eV] | 24,359 |
3. ionizing potential [eV] | 36,95 |
state at normal conditions | gas |
Resources
- EMSLEY, John. The Elements. Oxford: Clarendon Press, 1998. ISBN 9780198558187.
- KLIKORKA, Jiří; et al. Obecná a anorganická chemie. 2. nezměněné vydání. Praha: SNTL, 1989.
- LIDE, D. R. Handbook of Chemistry and Physics, 85th Ed. New York: CRC Press, 2005. ISBN 9780849304859.
- STWERTKA, Albert. A Guide to the Elements. Oxford: University Press, 2002. ISBN 0-19-515027-9.
bromine ← krypton → rubidium