Krypton

Latin nameKrypton
English nameKrypton
chemical symbolKr
atomic number36
relative atomic mass83,8
period4
groupVIII.A
classificationnoble gases
discovery year1898
discovererRamsay
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 statesIV
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 conditionsgas

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