UNSUR138: Tempat Terbaik Memulai Bermain Game On

unsur 138Unsur 138: The Hypothetical Superheavy Element The periodic table is an ever-expanding scientific marvel, and one of the greatest pursuits in chemistry and physics isName 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