Add Protons and Electrons up to 118. Experiment with various types of numbers of elements. You can test all the elements of the periodic table. Corrected many mistakes from stability. V3.0.3 Added Symbols V3.0.4 Added Background colours V3.1.4 Made minor changes V4.1.4 Added Valencies Added Atomic Mass V4.1.5 Added Details V5.1.5 Added group,period,melt pt & boil pt
Thanks for giving the background!
