Unsur 138: A Deep Dive into Its Technology and Services

unsur 138Unsur138 merupakan salah satu situs game on yang paling gampang maxwin hari · Contact information · Websites. · Submit aName of the isotope: Cesium-138; Cs-138 Symbol: 138 Cs or 138 55 Cs Mass number A: 138 (= number of nucleons) Atomic number Z: 55 (= number of protons) Neutrons N: 83 Isotopic