NATURAL RADIOACTIVE SERIES Longest lived member I 235 U: T 1/2 =8.52 x 10 8 years Longest lived member I 237 Np: T 1/2 =2.20 x 10 6 years < delletà dellUniverso.
{"Image DocumentName": "NATURAL RADIOACTIVE SERIES", "Image ImageDescription": "Longest lived member. I232Th: T1/2=1.39 x 1010 years. Longest lived member. I238U: T1/2=4.50 x 109 years.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}