Element Name: Xenon
Atomic No.: 54
State (298 K): gas
Uses: research
Atomic Mass: 131.29
Density: 5.90 g/L
B.P.: 166 K
F.P.: 161 K
Electronic Configuration: 1s
2
2s
2
2p
6
3s
2
3p
6
3d
10
4s
2
4p
6
4d
10
5s
2
5p
6
Isotopes:
129
Xe 128.9048 amu (26.4%)
130
Xe 129.9035 amu (4.1%)
131
Xe 130.9051 amu (21.2%)
p;
132
Xe 131.9042 amu (26.9%)
134
Xe 133.9054 amu (10.4%)
136
Xe 135.9072 amu (8.9%)
Electronegativity: 2.60
Radius: 209 pm (covalent)
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