SimilarityRank
neutrons 0.876 44331
protons 0.862 41243
neutron 0.862 35660
isotopes 0.850 45629
hydrogen 0.848 9917
gaseous 0.847 42339
isotope 0.846 45212
neutrino 0.845 70890
atoms 0.841 14412
helium 0.841 31291
antimatter 0.840 64679
tritium 0.836 73668
thorium 0.826 70297
electrons 0.819 17880
ionized 0.818 59187
strontium 0.810 86420
electron 0.808 16811
radioactivity 0.807 42842
neutrinos 0.807 66418
superconducting 0.806 84490
isotopic 0.802 82383
fission 0.801 39321
ionization 0.796 60226
proton 0.794 32838
positron 0.790 81180