isotopes Definition

radioisotopes, tracers, sodium, ratios, equivalents, technetium, nuclides, neutrons, radioactive decay, osmium, lanthanides, californium, radionuclide, apatite, rubidium, nuclide, ion beam, nuclei, astatine, radioactive, antineutrinos, actinide, fissionable, americium, uranium, cyclotron, antiparticles, iridium, thorium, chondrites, curies, dysprosium, calcium fluoride, tellurium, samarium, radioactive material, deuterium, mass spectroscopy, cesium, meteorites, promethium, cobalt, wavelengths, synchrotron, iodine, chondrules, zeolites, cerium, krypton, tritium, reactor, atoms, mass spectrometer, corundum, alkali metal, neutron radiation, tetroxide, supernovae, dopant, plutonium, fission, bismuth, muon, lutetium, olivine, spectroscopic analysis, strontium, spectrometry, terbium, formamide, gamma rays, macromolecule, strange quark, tungsten, pulsars, fission reactor, ionizing radiation, henri becquerel, molybdenum, rhenium, positron, neptunium, ytterbium, crystallites, europium, phyllosilicate, indium, zirconium, niobium, gases, synchrotron radiation, biomolecule, silicates, bisulfite, chemiluminescence, protons, monazite, thulium, boron nitride, gallium,