05:04Nuclide Symbols: Atomic Number, Mass Number, Ions, and IsotopesProfessor Dave Explains979views1rank
05:53Atomic Number, Atomic Mass, and the Atomic Structure | How to Pass ChemistryMelissa Maribel657views1rank
04:23How to find the Protons Neutrons and Electrons of an element on the Periodic tableMooMooMath and Science936views
07:41How to find the number of protons, neutrons, and electrons from the periodic tableMichael Ferguson _ Staff - EastMillbrookMS1281views1rank