Answer Happy

Posted: **Mon May 09, 2022 3:07 pm**

: 11 The Graph Shows The Radioactive Decay Of A Specific Isotope Of Technetium The Table Shows The Nuclear Decay Charact 1 (99.45 KiB) Viewed 32 times

: 11 The Graph Shows The Radioactive Decay Of A Specific Isotope Of Technetium The Table Shows The Nuclear Decay Charact 2 (46.72 KiB) Viewed 32 times

11. The graph shows the radioactive decay of a specific isotope of technetium. The table shows the nuclear decay characteristics of various technetium isotopes. A Based on the graph, what is the half-life of the radionuclide? B. What is the identity of the radionuclide? C. Write out the nuclear reaction for this radionuclide. D. How long will it take for 82.5% of the radionuclide to decay (show work)? 80,000 70,000 60,000 50,000 Counts per second 40,000 30,000 20,000 10,000 02 04 06 08 10 12 14 16 18 20 22 24 Time /hours
Half-life Energy (MeV) Technetium Isotope 95mTc Decay Mechanism EC Decay Product 9 Mo 61 d Y IT 0.204, 0.582, 0.835 0.0389, e 9STC "MO 96Тc 4.3 d EC 1 0.778, 0.849, 0.812 97Tc 97mTo 98TC 2.6x10ºy 90 d 4.2x10'y Y EC IT 0.965, e "MO "TC Ru B 0.4 0.745, 0.652 0.294 То 990VTC Y B IT 2.12*10'y 6.01 h Ru Тc 0.142, 0.002 Y 0.14 Notes: EC - electron capture IT-isomeric transition B-beta decay Y gamma emission