Chemicool

Xe

54

131.30
Xenon
General | States | Energies | Oxidation & Electrons |Appearance & Characteristics
Reactions | Other Forms |Radius | Conductivity | Abundance
Encyclopedia Britannica articles

General
Name Xenon Symbol Xe
atomic number 54 Atomic weight 131.30
Density @ 293 K 0.00588 g/cm3 Atomic volume 37.3 cm3/mol
Group Noble Gas discovered 1898

States
state (s, l, g) g
melting point 161.3 K boiling point 165 K
Heat of fusion 2.297 kJ/mol Heat of vaporization 12.636 kJ/mol
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Energies
1st ionization energy 1170.4 kJ/mole electronegativity 2.6
2nd ionization energy 2046.4 kJ/mole electron affinity kJ/mole
3rd ionization energy 3097.2 kJ/mole Specific heat 0.158 J/gK
heat atomization 0 kJ/mole atoms

Oxidation & Electrons
Shells 2,8,18,18,8 electron configuration [Kr] 4d10 5s2 5p6
minimum oxidation number 0 maximum oxidation number 8
min. common oxidation no. 0 max. common oxidation no. 6
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Appearance & Characteristics
structure fcc: face-centered cubic color colorless
uses UV-laser, hi intens lamps toxicity no
hardness mohs characteristics unreactive

Reactions
reaction with air none reaction with 6M HCl none
reaction with 6M HCl none reaction with 15M HNO3 none
reaction with 6M NaOH none
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Other Forms
number of isotopes 9 hydride(s) none
oxide(s) XeO3 XeO4 chloride(s) none

Radius
ionic radius (2- ion) pm ionic radius (1- ion) pm
atomic radius 131 pm ionic radius (1+ ion) pm
ionic radius (2+ ion) pm ionic radius (3+ ion) pm
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Conductivity
thermal conductivity 0.01 J/m-sec-deg electrical conductivity 0 1/mohm-cm
polarizability 4 A^3

Abundance
source Air rel. abund. solar system 0.672 log
abundance earth's crust -4.5 log cost, pure 120 $/100g
cost, bulk $/100g
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