a) Derive an expression for the most stable element along a given isobar (an isobar is all nuclides with same mass number A). b) What does your expression predict for the A=89 isobar? Check your answer with the chart of the nuclides.
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- a) The ionic radius of lead is 0.180 nm. What fraction of this volume does the nucleus take up for lead-208? b) What is the binding energy per nucleon for lead- 208?The textbook can be found on Z Library: Introduction to Nuclear and Particle Physics by A. Das and T. Ferbel, the second edition. I can't link it since I don't want my account to be terminated. This question comes from: Chapter 2, section 2.2, Chapter 1, section 1.2 Chapter 1, section 1.3, Chapter 2, section 2.2[Nuclear Physics] Given the SEMF equation in the first image
- Search (Alt+Q) Pau References Mailings Review View Help There are three naturally occurring stable isotopes of magnesium: 24MB, 25Mg, and 2°Mg, which have relative abundances on Earth of 79%, 10%, and 11% respectively. Note that the atomic number of magnesium is 12. a) Calculate the binding energy (in eV) of magnesium-24, which has an atomic mass of 23.9850 AMU. The mass of a neutron is 1.0087 amu and the mass of a proton is 1.0073 amu. Using your results from parts (i) and (ii) discuss how the nucleus is held together. b) The radioisotope of magnesium with the longest half-life is magnesium-28, with a half-life of 20.9 hrs. Magnesium-28 decays through B- decay into aluminium-28. With reference to fundamental particles, describe the process which occurs in beta minus decay. Hence determine the equation for the decay of magnesium-28 into aluminum-28.A radioactive equilibrium between 99mMo/99m Tc generator and its daughter is a transient equilibrium. The activity of 99mMo/99mTc generator at time to is 125 GBq. The parent radionuclide has a half-life of 67 hours and that of a daughter is 6.05 hours. (ii) Calculate the activity of the parent after 6.5 days. (iii) Calculate the activity of the daughter nuclide after 6.5 daysa) Find one of theAr, 15K, Ca, Sc, Ti nuclei and theoretically calculate the binding energy per nucleon. b) Calculate the percentage error rate in the two calculations by calculating the theoretical nucleus with binding energy per nucleon in part a with half empirical meot.
- (a) Which of the following nuclides are magic: 122Sn, 132Sn, 98Cd, 198Au, 208Pb? (b) Which, if any, are doubly magic?As a staff scientist at a nuclear power plant, it is your job to understand radioactive substances used by your co-workers. In a particular radioactive sample, you found that the number of nuclei decreased to one-sixth the original number of nuclei over an 18 d period. Determine the half-life of the sample (in days).Why does the atomic number Z determine the chemical properties of a nuclide? What differences in chemical properties would you expect for 16O, 17O, and 18O, which are all stable? What about 15O, which is unstable?
- The only two stable nuclides with more protons than neutrons are 11H and 32He. Why is Z 7 N so uncommon?Americium-243 has a decay constant of 9.39* 10-5 years-1. How long will it take for a sample of americium to lose one-third of its nuclei? please write given, reasoning, and stepsUse the uncertainty principle ∆p ∆x > h/2 to calculate the minimum kinetic energy of a nucleon known to be confi ned in 2H. What is the de Broglie wavelength of this nucleon? Is this reasonable?