2. Classify each of the following nuclides as "probably stable", "beta emitter" or "positron emitter" a. 8 Ca 49 Cа b. 125 Hg 80 c. 20 Hg d. B e. 15° Ho f. Al 30 13 120 g. Go Sn h. Kr 94 36

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A: The radioactive decay follows first-order reactions. Therefore, N = N0 e -λt

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A: The antiparticles of electrons are known as positrons. Positron emission also known as beta plus…

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A: Calculate the effective dose in mrem:

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A: Given information, Isotopes such as 26Al (half-life: 7.2 × 105 years) are believed to have been…

Q: Heavy nuclides with too few neutrons to be in the band (zone) of stability are most likely to decay…

A: The correct answer about the stability of Heavy nuclides is given below

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A:

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A: Given information: Atomic mass of fluorine = 18.9984 amu

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A: The Binding energy can be calculated as

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A: The helium nucleus is the considered nuclide.

Q: 92232U  ( Atomic Mass, 232.0371 u) decays by alpha emission. The atomic mass of 24He is 4.0026u. The…

A: Option A is the correct answer for this question

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A: We have to predict the amount left after certain time.

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A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

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A: Dear student I have given answer to your question in the image format.

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A: As in positron emission, the nuclear positive charge and hence the atomic number decreases by one…

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A: Answer -

Q: )Explain each statement. Gamma decay does not change the atomic number or mass number of the…

A: answer- a.  Yes, gamma decay does not change the atomic number or mass number of decaying nuclide.…

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A:

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A: Given,228mL sample contains 2.35% MgCl2 by mass. Half-life = 21 hours = 1260min = 75600…

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Q: 6. Determine the identity of the daughter nuclide from the electron capture by Be. O He Не O 11 Li…

A: Electron capture is a process in which the proton-rich nucleus of an electrically neutral atom…

Q: When a positron and an electron annihilate one another, the resulting mass is completely converted…

A: The reaction for annihilation of positron with an electron is represented as follows:

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A: The relation between the half life nad the number of nuclei,N=A(t120.6931)........1stWhere,N  =…

Q: An unknown radioactive substance is currently decaying. Initially, the sample contained 16.1g of the…

A:

Q: Bismuth-210 is a beta emitter with a half-life of 5.0 days. If a sample contains 1.2 g of Bi-210…

A: Given data:

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A:

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A:

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A:

Q: For a radioactive isotope with t1/2 38.7 hr, how many hours will it take for a 3.27 mCi sample to…

A:

Q: 1. (b). Positron emission of 0"Br35 2. The disintegration energy of the decay30 P1s by position…

A: The energy released during radioactive decay = ∆m×931 MeV where ∆m = mass difference

Q: 3-Explain why the radionuclides of the neptunium decay series are not found in nature

A: Neptunium is a  radioactive natural elements which is often produced artificially.  So the…

Q: Bromine-80 has a mass defect that is equal to -1.15x10-7 kg. Determine the binding energy per…

A: Using Einstein’s equation, E =mC2 Where, E = Binding Energy per nucleus  m = Mass defect per nucleus…

Q: NUCLIDE CHARTS The nuclide of interest is Sc-49. Identify the: Decay mode: 1. Daughter nuclide: 2.…

A: Sc-49 is an unstable nuclei that can undergo decay to form stable nuclei.

Q: Find the mass defect and the binding energy (in MeV) for  19F  ( mass of a proton = 1.00783 amu,…

A:

Q: Write the complete decay equation for the given nuclide in the complete X notation. Refer to the…

A: 1) Write electron capture reaction of 75Se ---

Q: 16. A radioactive decay equation is illustrated. 210 84 Po - 206 82 0Pb + He Which radioactive…

A:

Q: 2. On the axis provided fill out the region occupied by all known nuclides and use it to explain why…

A:

Q: In a PWR, the seed neutrons can be produced by, (a) An alpha source mixed with 9Be. (b) A gamma…

A: PWR is Pressurised Water reactor is a device used to generate electricity. It used because it is…

Q: [References] EMWORK bidium-87 decays by B production to strontium-87 with a half life of 4.7 x 1010…

A: Half life=4.7×1010year Atomic mass of Rb=86.90919 Atomic mass of strontium (Sr)=86.90888 Final…

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A:

Q: If a sample of 1.35 mg I-131 emits 1.45×109 b particles per min. Calculate the specific activity of…

A: The radioactive compounds are the elements that will be disintegrated by emitting alpha, beta, and…

Q: How many half lives must have passed for an isotope with a half life of 10 years to decay from 1600…

A: The radioactive decay follows the First Order kinetics.