Xenon
54
Xe
Gruppe
18
Periode
5
Blokk
p
Protoner
Elektroner
Nøytroner
54
54
77
Generelle egenskaper
Atomnummer
54
Atomvekt
131,293
Massetall
131
Kategori
Edelgasser
Farge
Fargeløs
Radioaktiv
Nei
From the Greek word xenon, stranger
Krystallstruktur
Face Centered Cubic
Historie
Xenon was discovered in England by the Scottish chemist William Ramsay and English chemist Morris Travers in 1898.
They found xenon in the residue left over from evaporating components of liquid air.
Spectroscopic analysis showed the previously unseen beautiful blue lines that indicated the presence of a new element.
They found xenon in the residue left over from evaporating components of liquid air.
Spectroscopic analysis showed the previously unseen beautiful blue lines that indicated the presence of a new element.
Elektroner per energinivå
2, 8, 18, 18, 8
Elektronkonfigurasjon
[Kr] 4d10 5s2 5p6
If inhaled, xenon can cause a person's voice to deepen
Fysikalske egenskaper
Fase
Gass
Tetthet
0,005887 g/cm3
Smeltepunkt
161,45 K | -111,7 °C | -169,06 °F
Kokepunkt
165,03 K | -108,12 °C | -162,62 °F
Smeltevarme
2,3 kJ/mol
Fordampningsvarme
12,64 kJ/mol
Spesifikk varmekapasitet
0,158 J/g·K
Forekomst i jordskorpa
2×10-9%
Forekomst i universet
1×10-6%
CAS Number
7440-63-3
PubChem CID Number
23991
Atomegenskaper
Atomradius
108 pm
Kovalent radius
140 pm
Elektronegativitet
2,6 (Pauling-skalaen)
Ioniseringsenergi
12,1298 eV
Molart volum
37,3 cm3/mol
Termisk ledningsevne
0,0000569 W/cm·K
Oksidasjonstilstander
2, 4, 6, 8
Bruksområder
Xenon is used in flash lamps and arc lamps, and in photographic flashes.
Xenon is used in medicine as a general anesthetic and in medical imaging.
In nuclear energy applications, xenon is used in bubble chambers, probes, and in other areas where a high molecular weight and inert nature is desirable.
Xenon is used in medicine as a general anesthetic and in medical imaging.
In nuclear energy applications, xenon is used in bubble chambers, probes, and in other areas where a high molecular weight and inert nature is desirable.
Xenon is not toxic, but its compounds are highly toxic
Isotoper
Stabile isotoper
124Xe, 126Xe, 128Xe, 129Xe, 130Xe, 131Xe, 132Xe, 134Xe, 136XeUstabile isotoper
110Xe, 111Xe, 112Xe, 113Xe, 114Xe, 115Xe, 116Xe, 117Xe, 118Xe, 119Xe, 120Xe, 121Xe, 122Xe, 123Xe, 125Xe, 127Xe, 133Xe, 135Xe, 137Xe, 138Xe, 139Xe, 140Xe, 141Xe, 142Xe, 143Xe, 144Xe, 145Xe, 146Xe, 147Xe