74As is a beta-plus emitter used for locating tumors with PET. What is the daughter nucleus? 73 A. As 334 74 34 B. Ge D. HAs C. Se 75 34

Q: Sihle, an archaeologist from UWC finds an ancient wooden axe handle at an excavation site at…

A: Write the expression of decay rate. N=N0e-tt1/2

Q: A 60kg person a accidentally ingest a small source of alpha particles. RBE 15. The activity of the…

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Q: A radioactive sample intended for irradiation of a hospital patient is prepared at a nearby…

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Q: Determine the nuclear radius (in fm) for each of the following nuclei. 24 (a) 12 Mg fm 18 (b) fm

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Q: If a nucleus of absorbs a neutron and the resulting nucleus undergoes two successive beta decays…

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Q: Gamma rays may be used to kill pathogens in ground beef. One irradiation facility uses a 60C source…

A: Given: The activity of gamma rays is A=1×106 The energy of first gamma ray is E1=1.17 MeV. The…

Q: n the following reaction, which type of decay is occurring 1377 56 Ba 137Ba+ -> 56 beta minus beta…

A: In the above decay Barium (Ba) has atomic number 56 and atomic mass 137.

Q: 10. (a) Calculate the binding energy per nucleon of a sodium nucleus (Na) in MeV nucleon". The…

A: As it is a multiple question I answered first question only. Kindly please re-submit the question…

Q: 1. The isotope '¿C has a half-life of 5730 yr. If a sample contains 1 x 1022 carbon-14 nuclei, what…

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Q: Question: In electrically neutral atoms, how many neutrons are in the 202 H g nucleus?

A: Given: Mass number of Hg nucleus A = 202. Required : Number of neutrons (N). Mass number (A) =…

Q: Bismuth, with atomic number 83, chemical symbol Bi, has a variety of isotopes (none of them are…

A: Mass number of Bismuth atom given is 210. Atomic number of Bismith atom is 83. Then Neutrons number…

Q: CHALLENGE Write the nuclear equations for the beta decay of the following isotopes: 210Pb 234TH 90…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: The physical half-life of 113m/n (Indium isotope) is 1.7 hours. The init sample has 1.07×1016 atoms…

A: We have givenT1/2=1.7 hInitial number of atoms= N0=1.07×1016atomsInitial mass (m)=2μg

Q: [08] A building is contaminated with radon (" Rn ,m=222.017 570u ), a radioactive gas with a half-…

A: Radioactivity is the process of decay of heavy nucleus by the emission of energy from unstable atoms…

Q: A building has become accidentally contaminated with radioactivity. The longest - lived material in…

A: Formula to calculate the time when the activity equals 10 counts/min is,

Q: with A4> Ap. Will the two samples ever 4 have (simultaneously) the same decay rate? 12 Figure 42-18…

A: Beta decay results in a nucleus with an increased atomic number. Thus, the ‘d’ arrow (where only Z…

Q: 13. A radiation worker stands 50 cm away from a radioactive source of 25 mCi "Co. Calculate the…

A: The given values are,

Q: Sihle, an archaeologist from UWC finds an ancient wooden axe handle at an excavation site at…

A:

Q: 40.12 A sample of material contains 2.00 x 1015 atoms. The sample initially consists entirely of a…

A: Let N denote the number of atoms of the radioactive substance A. Let t1/2 denote the half-life time…

Q: 15O and 131I are isotopes used in medical imaging. 15O is a beta-plus emitter, 131I a beta-minus…

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Q: 3. Write a nuclear equation for the beta emission decay of: a. 9Co b. c. 2Pb 824

A: Here the mathematical form of beta decay is shown, XBA→ XB+1A+β A β particle is represented as e-10.…

Q: Radioactive isotopes are often introduced into the body through the bloodstream. Their spread…

A: Given : Half life of 131I (t1/2) = 8.0 d Initial activity (A0) = 325 Bq

Q: How many alpha particles are absorbed by the person (assume that 100 percent of the alpha particles…

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Q: A piece of charcoal containing 25.0 g of carbon is found in some ruins of an ancient city. The…

A: The decay constant for 14C is,

Q: After long effort, in 1902 Marie and Pierre Curie succeeded in separating from uranium ore the first…

A: a) The mass of Ra is given by, Thus,

Q: If film is kept in a box, alpha particles from a radioactive source outside the box cannot expose…

A: Alpha particles are more massive than beta particle.Due to that alpha particle has less penetration…

Q: alpha

A: Alpha particles are the heaviest particles that carry a positive charge and they penetrate the…

Q: A sample of a radioactive isotope is found to have an activity 115.0 Bq immediately after it is…

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Q: (i) Define the term ‘mass defect’ of a nucleus. How is it related with its binding energy?

A: The actual mass of the nucleus is always lower than the mass of neutrons and protons existing in the…

Q: The age of wine can be determined by measuring its radioactive tritium content.  i. How many…

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Q: One of the problems of in-air testing of nuclear weapons is the danger of radioactive fallout. One…

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Q: Certain cancers of the liver can be treated by injecting microscopic glass spheres containing…

A: Given: The half life of the radioactive is T1/2=64 h. The energy of beta particle is E’=0.89 MeV.…

Q: World War II aircraft had instruments with glowing radiumpainted dials (see Figure). The activity of…

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Q: A 60kg person accidentally ingest a small sources of alpa particles (RBE=15). The activity of the…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: 9. Construct a mathematical model for a radioactive series of three elements A, B. and C where C is…

A: Given, Radioactive series of three elements A,B & C  Decay constant of A =-0.138629 days…