Luokka Isotoopitbulgariaenglantiespanjaesperantohollantiitaliajapanikreikkalatinalatvialiettuanorjaportugalipuolaranskaruotsisaksasuomitanskaturkkitšekkiunkarivenäjäviro

aluminium-27 argon-36 argon-38 argon-40 beryllium-9 boron-10 boron-11 caesium-137 calcium-40 calcium-42 calcium-43 calcium-44 calcium-45 calcium-46 calcium-48 carbon-12 carbon-13 carbon-14 chlorine-35 chlorine-36 chlorine-37 chromium-52 chromium-53 chromium-54 deuterium fluorine-18 fluorine-19 hassium-270

helium-3 helium-4 iodine-131 iron-54 iron-56 iron-57 iron-58 krypton-85 lithium-6 lithium-7 magnesium-24 magnesium-25 magnesium-26 manganese-55 neon-20 neon-21 neon-22 nitrogen-13 nitrogen-14 nitrogen-15 oxygen-16 oxygen-17 oxygen-18 phosphorus-31 polonium-210 potassium-39 potassium-40 potassium-42

potassium-43 protium quadrium radioactinium radioiodine scandium-45 silicon-28 silicon-29 silicon-30 sodium-23 strontium-90 sulfur-32 sulfur-33 sulfur-34 sulfur-35 sulfur-36 thorium-228 titanium-46 titanium-47 titanium-48 titanium-49 titanium-50 tritium uranium-235 vanadium-50 vanadium-51 yttrium-90