Labels:text | black and white | crossword puzzle OCR: The Complete Commodore Inner Space Anthology Periodic Tables 121 PERIODIC TABLE OF THE ELEMENTS Table of Selected Radioactive Isotopes Selected Radoactive Isotopes Naturally oc cumber in blue (although some are also manufactured), Letler m in- Dicales an isomer of another motope of the same mass numbet. fallslaves follow in parentheses, where s. min. h. , and y stand re speclively for seconds, minutes, hours, days, and years 169 table GROUP includes mainly the laget, start mainly The longer-ined radioactive isclopes; many others have been prepared lolopes known to be laddactiva but with IA + 15730 - a hallanas faceeding 10" y have not been included Symbols de ACHing the principal mode for modes of decay are as follows tres folows VIII Ilhese processes are generally accordo jeterally accomp ...