PERFECT FUSION
Caesium(55Cs)has41knownisotopes,ranginginmassnumberfrom112to152.Onlyoneisotope,133Cs,isstable.Listofisotopes·Caesium-134·Caesium-135·Caesium-137,Cesium-139.Summarydata.General.Classification.Isotope:Cs-139.Atomicnumber(Z):55.Massnumber(A):139.Neu...。參考影片的文章的如下:


