Template:Infobox xenon

From Self-sufficiency
Jump to: navigation, search
iodinexenoncaesium
Kr

Xe

Rn
Appearance
Colorless gas, exhibiting a blue glow when placed in a high voltage electric field
250px
250px
Spectral lines of xenon
General properties
Name, symbol, number xenon, Xe, 54
Pronunciation /ˈzɛnɒn/[1] ZEN-on
or /ˈziːnɒn/[2] ZEE-non
Element category noble gases
Group, period, block 185, p
Standard atomic weight 131.293(6)g·mol−1
Electron configuration [Kr] 5s2 4d10 5p6
Electrons per shell 2, 8, 18, 18, 8 (Image)
Physical properties
Phase gas
Density (0 °C, 101.325 kPa)
5.894 g/L
Melting point (101.325 kPa) 161.4 K, −111.7 °C, −169.1 °F
Boiling point (101.325 kPa) 165.03 K, −108.12 °C, −162.62 °F
Triple point 161.405 K (-112°C), 81.6[3] kPa
Critical point 289.77 K, 5.841 MPa
Heat of fusion (101.325 kPa) 2.27 kJ·mol−1
Heat of vaporization (101.325 kPa) 12.64 kJ·mol−1
Specific heat capacity (100 kPa, 25 °C) 20.786 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 83 92 103 117 137 165
Atomic properties
Oxidation states 0, +1, +2, +4, +6, +8
(rarely more than 0)
(weakly acidic oxide)
Electronegativity 2.6 (Pauling scale)
Ionization energies 1st: 1170.4 kJ·mol−1
2nd: 2046.4 kJ·mol−1
3rd: 3099.4 kJ·mol−1
Covalent radius 140±9 pm
Van der Waals radius 216 pm
Miscellanea
Crystal structure face-centered cubic
Magnetic ordering diamagnetic[4]
Thermal conductivity (300 K) 5.65×10-3  W·m−1·K−1
Speed of sound (liquid) 1090 m/s; (gas) 169 m/s
CAS registry number 7440-63-3
Most stable isotopes
Main article: Isotopes of xenon
iso NA half-life DM DE (MeV) DP
124Xe 0.095% 124Xe is stable with 70 neutrons
125Xe syn 16.9 h ε 1.652 125I
126Xe 0.089% 126Xe is stable with 72 neutrons
127Xe syn 36.345 d ε 0.662 127I
128Xe 1.91% 128Xe is stable with 74 neutrons
129Xe 26.4% 129Xe is stable with 75 neutrons
130Xe 4.07% 130Xe is stable with 76 neutrons
131Xe 21.2% 131Xe is stable with 77 neutrons
132Xe 26.9% 132Xe is stable with 78 neutrons
133Xe syn 5.247 d β 0.427 133Cs
134Xe 10.4% 134Xe is stable with 80 neutrons
135Xe syn 9.14 h β 1.16 135Cs
136Xe 8.86% 136Xe is stable with 82 neutrons
Template:Template reference list
  1. J. A. Simpson & E. S. C. Weiner, ed (1989). "Xenon". Oxford English Dictionary. 20 (2nd ed.). Oxford: Clarendon Press. ISBN 0-19-861232-X. 
  2. "Xenon". Dictionary.com Unabridged. 2010. Retrieved 2010-05-06. 
  3. Lide, David R. (2004). "Section 4, Properties of the Elements and Inorganic Compounds; Melting, boiling, triple, and critical temperatures of the elements". CRC Handbook of Chemistry and Physics (85th edition ed.). Boca Raton, Florida: CRC Press. ISBN 0849304857.  line feed character in |chapter= at position 72 (help)
  4. Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.