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unsur138UNSUR138 is the one and only the best on slot platform in indonesia 2025. style amp-boilerplate>body {-webkit-animation: none;-moz-animation: none;-ms-animation:Properties of the nuclide isotope Caesium-138. Parent Nuclides. Direct parent isotope is: 138 Xe. Nuclear Isomers. Nuclear isomers or excited states with the activation energy in keV related to