Explain how unstable heavy nuclides (atomic number > 83) may decompose to form nuclides of greater stability if (a) they are below the band of stability and (b) they are above the band of stability
Q: any half-lives pass in a
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Q: (a) What is the ratio of the radii of the nuclei Ni-58 and N-15? (b) What is the ratio of the…
A: The average radius of the nucleus with mass number a is given by Given
Q: Write appropiate symbols for tin-117 nucleus using the ZAX symbolism.
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Q: Determine the Larmor frequency for the free hydrogen nuclei in the following magnetic field…
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Q: 7) Gamma decay: A nucleus in an excited state at 2.51 MeV can decay by emission of three y-rays as…
A: Final Excited Nucleus energy, E=2.51 MeV Ground state is 0 MeV 1st Excited state, E1=1.20 MeV2nd…
Q: 45) Which nuclide X would properly complete the following reaction: on +92U235= 36 Kr94 +X+3on¹ OA)…
A: 0n1 + 92U235 = 36Kr94 + X + 30n1In any chemical reaction mass, total mass of reaction reamains…
Q: Assume a nucleus X2. What are the possible spin values for the nucleus?
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Q: What is wrong with the model of a lithium atom and how should it be corrected?
A: I find two wrong things here. 1) The arrangement of protons and neutrons is wrong. Protons are…
Q: Write the complete nuclear symbol (with neutron number) for each. (Enter your answer in the form…
A: Isotopes of an element have same atomic number but different mass number. Different isotopes of an…
Q: (a) What is the ratio of the radii of the nuclei Ni-58 and N-14? (b) What is the ratio of the…
A: The average radius of the nucleus with mass number a is given by Given
Q: Keeping into consideration the shell-model of nucleons, a) calculate the angular momentum of each…
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Q: If an electron is confined within the size of a nuclear radius, the uncertainty principle suggests…
A: Heisenberg's uncertainty principle sates that: ∆E.∆t≥h4π where, ∆E is the uncertainty in energy ∆t…
Q: The nucleons comprise Z protons,-14 where Z is the atomic number of the * .element and so (A-Z)…
A: An atom of a nucleus consists of subatomic particles called nucleons. These nucleons are the protons…
Q: one for the neutron ( iefly, the similarities an what happens at r> R
A: Given as,
Q: After 3 half lives a radionuclide is reduced in activity to what percentage of its initial activity?…
A: Scenario- A radionuclide's activity is reduced after consecutive half lives. Given : Number of…
Q: What is the ratio of the binding energy per nucleon of nitrogen (14 7)N to helium (4 2)He Nuclei?
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Q: Are the nuclear spins of the following nuclei integral or half-integral: 3He, 6Li, 7Li, 18F, 19F?
A: Given information: The nuclei are He3, Li6, Li7, F18, and F19
Q: (a) Calculate BE / A for 12C . Stable and relativelytightly bound, this nuclide is most of natural…
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Q: In quantum aspects, the values of L,S, and J for a nucleon in state 2d32 are:
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Q: 56Fe is among the most tightly bound of all nuclides. It is more than 90% of natural iron. Note that…
A: The binding energy of 56Fe (in MeV) can be represented as, Here, Z, m(1H), N, mn, m(56Fe), and c…
Q: The visible spectrum of light from hydrogendisplays four wavelengths, but the element principal…
A: The principal quantum number (n) determines the energy level of an electron in an atom. In the case…
Q: Two radioactive elements A & B have initially activity 10 curie & 20 curie respectively. If A has…
A: Two radioactive elements A & B have initially activity 10 curie & 20 curie respectively. If…
Q: How many levels are available to a nucleus having spin 5/2 in a magnetic field?
A: In a magnetic field, the energy levels available to a nucleus with a particular spin are described…
Q: 2H is a loosely bound isotope of hydrogen. Called deuterium or heavy hydrogen, it is stable but…
A: The binding energy (B) per nucleon of deuterium can be calculated using the following…
Q: 12) Compute the approximate nuclear radius of germanium (A = 70)
A: From experimental data, it was found that the density of a nucleus does not depend on the mass…
Q: Use the conservation laws to fill in the missing numbers or particle symbols indicated by the dots…
A: In any nuclear reaction, the mass number (A) and the atomic number (Z) always remains conserved.
Q: A radioactive sample contains 5.50g of pure N(7, 13), which has a half-life of 10 min. Calculate the…
A: We need to calculate activity after 2 hours and whether this isotope is useful for dating for 10…
Q: In Nuclear Magnetic Resonance the special discrete frequencies at which a particular nucleus absorbs…
A: Nuclear Magnetic Resonance (NMR) The non-zero total angular momentum of atomic nuclei makes it…
Q: In this model the first excited states can be produced either a. by excitation of the unpaired…
A: The number of proton and neutron in nucleus determines the spin and parity of a nuclei. Hence these…
Q: 24. A radioactive element X decay to a radioactive element Y which then decay to an elemen Z. If…
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Q: 3) The transition rate 2, in seconds, and the hindrance parameter, o, may be estimated from In 2 =…
A: (a) Let mD, mα, Q, RD, and Rα denote the mass of the daughter nucleus, the mass of the α particle,…
Q: Calculate the mass-defects of oxygen-16 (oxygen has an atomic number of 8 and atomic weight of…
A: Calculate the mass-defects of oxygen-16 (oxygen has an atomic number of 8 and atomic weight of…
Q: Derive the critical nuclear energy barrier AG* for heterogeneous nucleation of a new phase from an…
A: We have given that nucleation is heterogeneous. The nucleation is of a new phase from an old phase…
Q: Tritium has a half - life of 12.33 years. What fraction of the nuclei in a tritium sample will…
A: Formula to calculate the fraction of remaining sample after 5.00 yr. is,
Q: The fact that BE/A is greatest for A near 60 implies that the range of the nuclear force is about…
A: Given data: Atomic mass number of nucleus = 60 Empirical constant r0 = 1.2fm
Q: What is the ratio of the binding energy per nucleon of nitrogen (14 7)N to helium (4 2)He Nuclei?
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Q: Starting from the SEMF for binding energies per nucleon B(Z, A)/A, rearrange the for- mula to write…
A: Given, Semi-empirical mass formula BZ,A=aVA-aSA23-aC-aAN-Z2A+apairεA12
Q: Using the nuclide chart find, among nuclides with mass number A = 77, the stable one. Enter the…
A: Given:The atomic mass of the nuclei to be found is, A = 77 Asked:To find stable nuclei with A =…
Q: Using the shell model sketch the energy level diagram of 31 Si and 43Ti. Determine the spin-parity…
A: We know that atomic number of Si is 14 and atomic number Ti is 22. Then the required solution of…
Q: Find the radius of a nucleus of 160 and O and 4 He. 8 2 (a) (b) 16 8 'O 4 He 2 fm fm
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Q: (a) Which of the following nuclides are magic: 122Sn, 132Sn, 98Cd, 198Au, 208Pb? (b) Which, if any,…
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