Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 352
er Sept., 1922.] Stability of Atom Nuclei. i2>7 of such a line gives the number of neutrons in the nucleus inexcess of the normal composition represented by the for-mula {(>-zC)^j. The neutronal lines may be considered as representing levels,which in a radioactive series are related to the… … 91 9i 10 15 ZO 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Net positive charge on Nucleus = M the neutronal lines, which represent paths of disintegration, haveeven numbers. The isotopic number of thorium is 52. whichindicates that if thorium were to disintegrate completely intohelium, the number…
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