Which nuclide(s) would you predict to be stable? Why?(a) ²⁰₈O(b) ⁵⁹₂₇Co(c) ⁹₃Li
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Which nuclide(s) would you predict to be stable? Why?(a) ²⁰₈O(b) ⁵⁹₂₇Co(c) ⁹₃Li
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- In the figure below, note that for low Z, all the nucleii with the most highest binding energy per nucleon have both an even number of protons and an even number of neutrons. Explain why this is. 9 soFe 9%Mo 160 8. 144N. 183W He 20sPb "Be 235U 6. Fusion reactions release energy Fission reactions release energy 1 40 80 120 160 200 240 Atomic Mass Number (A) Use the editor to format your answer E (MeV)The only two stable nuclides with more protons than neutrons are 11H and 32He. Why is Z 7 N so uncommon?Please have computer typed.
- 1) If the activity of a purely radioactive sample of 55Fe is measured to be 0.5 mCi. What is the number of nuclei of this isotope present after 5.4 years. 2) 226Ra (t₁/2 = 1600 y) alpha decays to the 1st excited state of nucleus X with branching ratio 6% and alpha decays to the ground state of X with branching ratio 94%. Calculate the partial half-life for the first mode transition (the one to the first excited state of X). 3) Fill the missing and decide the type of decay in the following decays: a) Co* → [ ] + Co b) ¹50 [ ] + [ ] + ¹5N 40 c) 10K + [ ] 18Ar d) 21 Po 84 e) ¹3 Be →>> 2a + [ ] ¹2Be + [ ]Mantles for gas lanterns contain thorium because it forms an oxide that can survive being heated to incandescence for long periods of time. Natural thorium is almost 100 % 232^Th, with half life of 1.405*10^10y. If an average lateen mantle contains 350mg of thorium what is its activity (in Bq)I need the answer as soon as possible
- Please type instead of hand writtingCalculate the nuclear radii (in fm) of the following nuclides. (Round your answers to at least three significant figures.) (a) ?H | fm 24 (b) 12 | fm 59 (c) Ni 28 |fm (d) 197 Au 79 | fm24 Mg and 12 63 Cu. (For the atomic masses, see this table. Enter your answers to at least two decimal places.) Find the average binding energy per nucleon of 29 (a) 24 Mg 12 8.26 MeV/nucleon (b) 63 Cu 29 8.3 Your response is within 10% of the correct value, This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all interm