Periodic table
en
fr
ar
es
pt
id
List
Compare
Tables
Quiz
Tools
Printables
Periodic table
›
xenon
›
Xe-124
Xenon-124 (Xe-124)
Identity
Protons
54
Neutrons
70
Mass number
124
Mass
123.9 ± 1.5 u
Mass excess
-87.667 MeV
Spin
0+
Stability
stable
Natural occurrence
0.0950 %
of xenon
All isotopes of xenon