Example image of eyePlorer eyePlorer map for 'Isotope': Chemical element Neutron Nuclide Atomic number Mass number Atomic nucleus Proton Carbon-12 Carbon-13 Carbon-14 Neutron number Nuclear technology Helium-3 Iodine-131 Uranium-238 Chemical symbol Subscript and superscript Primordial nuclide Stable nuclide Table of nuclides (combined) Frederick Soddy Margaret Todd (doctor) Periodic table University of Glasgow J. J. Thomson Anode ray Neon Francis William Aston Mass spectrometry Kinetic isotope effect Deuterium Hydrogen atom Reduced mass Isotopologue Molecule Infrared Photon Nuclear force Tin List of elements by stability of isotopes Gamma spectroscopy Neutron capture Nuclear magnetic resonance Binding energy Beta-decay stable isobars Age of the universe Double beta decay Half-life Triple-alpha process CNO cycle