Xenon

Latin nameXenon
English nameXenon
chemical symbolXe
atomic number54
relative atomic mass131,29
period5
groupVIII.A
classificationnoble gases
discovery year1898
discovererRamsay, Travers
melting point [°C]-111,9
boiling point [°C]-107,1
critical temperature [°C]16,62
critical pressure [MPa]5,841
density [g cm-3]0,00588
electronegativity [Pauling]2,6
oxidation statesII, IV, VI, VIII
electron configuration[Kr] 4d10 5s2 5p6
atomic radius [pm]108
covalent radius [pm]130
specific heat [J g-1K-1]0,158
heat of fusion [kJ mol-1]2,297
thermal conductivity [W m-1 K-1]0,00565
1. ionizing potential [eV]12,1299
2. ionizing potential [eV]21,21
3. ionizing potential [eV]32,1
state at normal conditionsgas

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