Which isotope in the list below is most likely to be used for medical purposes? O 222Rn, t/2= 3.8 days 85Kr, t/2 = 11 years O 6°Co, t1/2= 5.3 years O 90Sr, t1/2 - 28.8 years

Q: Which of the following processes decreases the atomic number by two?   A) gamma-ray production B)…

A: Since the atomic number is decreased by 2 Hence it means the atomic number of the particle produced…

Q: An 16 g sample of an isotope of Strontium-90 was formed in 1960 explosion of an atomic bomb at…

A: In what year will only 0.625 gm of strontium 90 remain?

Q: Why is the isotope 1Ci radioactive while 35Cl and 37Cl are not? Elements with an number of protons…

A: 36Cl is radioactive and unstable because it has odd no. of protons and neutrons whereas other two…

Q: A chemist wishing to do an experiment requiring Ca+ (half-life = 4.5 days) needs 3.0 µg of the…

A:

Q: The isotope ⁶⁹Zn undergoes what mode of radioactive decay? A) α emission B) β⁻ emission C) electron…

A: Solution - The isotope ⁶⁹Zn undergoes mode of  β⁻ emission radioactive decay

Q: What isotope is commonly used to determine thyroid activity and treat diseases of the thyroid?…

A: Radioisotopes are used in various field such as industrial areas, medical field etc. Like I-131 is…

Q: Which isotope is most likely unstable? 072Rb 20 Ne 10¹ 0¹B 160

A: Isotopes are members of a family of an elements that all have the same number of protons but…

Q: All the stable isotopes of boron, carbon, nitrogen, oxygen,and fluorine are shown in the…

A: Hello. Since the given question consists of multiple sub-parts, the first three sub-parts will be…

Q: OAll isotopes 284 protons are unstable (alpha decay most common) OElements $20 protons are most…

A: Isotopes are atoms of the same element with same atomic number and different mass numbers. Atomic…

Q: Precise measurements give the following masses: nuclide particle mass mass 239 94 Pu 239.0522 u…

A:

Q: Arsenic-76 decays by beta emission, If 1.8x10 mol of 70As emits 2.1x1012 beta particles per second,…

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

Q: Radiation Exposure from Dental X-rays Dental X-rays exposes patients to about 5.00 μSv of radiation.…

A:

Q: [References) The naturally occurring isotope rubidium-87 decays by beta emission to strontium-87.…

A: Given that, the naturally occurring rubidium-87 decays by beta emission to strontium-87 The sample…

Q: What is the daughter particle of an alpha decay of 237/93 NP? A) 237/94 Pu B) 238/93 Np C) 233/91 Pa…

A: We know that, The radioactive decay in which the nucleus emit an alpha particle (He nucleus) is…

Q: Precise measurements give the following masses: particle mass nuclide mass 1.0086649 u 238 238.05079…

A: The reaction given is,

Q: Calculate the effective radiation dosage in sieverts for a 69-kg person who is exposed to 4.6 x 10°…

A:

Q: -0.028941 The amount of a radioactive isotope present at timet is given by A(t)3 800 e grams, where…

A:

Q: Consider the following decay series: a a14. Pb b 214. Bi C 214 Po 210 Pb se Po Which type of nudear…

A:

Q: Express your answer as an isotope.   Part D   218 Rn---> ___ 4He 86                    2   Express…

A:

Q: Which isotope, when bombarded with nitrogen-15, yields the artificial isotope dubnium-260 plus 4…

A: Nuclear reaction: A nuclear reaction must cause a transformation of at least one nuclide to another.…

Q: Krypton consists of several radioactive isotopes, some of which are listed in the following table.…

A:

Q: Which types of processes are likely when the neutron-to-proton ratio in a nucleus is too large? I. α…

A: Given processes:

Q: Complete the beta decay equation below by choosing the correct isotope: ?—->0-1^e + 214/84 Po A)…

A: Given beta decay equation is example of negative beta decay (beta minus decay ) in which one of…

Q: 1. Which isotope in each of the following pairs should be more stable? b) P or P a) Ca or Ca 32 15…

A:

Q: 26. U-235 was bombarded with a neutron producing Cs-144 and Rb-90. How many neutrons are released in…

A: Let the number of neutrons released in the process be X. then the equation may be represented as:…

Q: Part B Cobalt-60 is a radioactive isotope that is commonly used for cancer radiation therapy. The…

A:

Q: Below are four radioisotopes and the isotopes into which they decay. Tell what kind of radioactive…

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

Q: What fraction of the 235U (t1/2=7.0x10^8yr) created when  Earth was formed would remain after…

A: Calculation of decay constant, K: k=0.693t1/2=0.6937.0×108 yr=9.9×10-10 yr-1

Q: 11. Plutonium 239PU is an unstable nuclei and decays with a half-life r= 2.4 x 104 years by…

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Q: preting the information chart: which of the isotopes whose masses you used answering this form are…

A: Radioactive elements are unstable.

Q: 60 60 Co Ni + B+7 this radioactivereaction is possible. 27 28 -1 True O False

A:

Q: lodine-131, a radioactive substance that is effective in locating brain tumors, has a half-life of…

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Q: 32p is a radioactive isotope with a half-life of 14.3 days. If you currently have 32.7 g of 32P, how…

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Q: 8. 15. A 218PO nucleus decays by successive B, a, a, ß emissions. Write the isotope symbols (X) for…

A:

Q: A chemist wishing to do an experiment requiring " Ca+ (half-life = 4.5 days) needs 8.0 ug of the…

A: Given, No = 8.0 microgram t1/2 = 4.5 days = 108 h t = 72 h

Q: The reaction represented by the description "An atom of titanium-45 decays by beta emission" is O…

A:

Q: 8:44 1 ul LTE NUCLEAR DECAY.docx NUCLEAR DECAY 14 14 C=> Ge N 1. + 7 top numbers total = top total…

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Q: Precise measurements give the following masses: nuclide mass particle mass 239. 94 Pu 239.0522 u on…

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Q: Interconverting amount of radiðãctive děcay and half life Tin-129 is radioactive and has a half life…

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Q: Dental X-rays expose patients to about 5.00 μSv of radiation.   1. Given an RBE of 1.00 for X-rays,…

A: Formula: The effective dose is given by the relation

Q: Elements with an number of protons form stable isotopes when the number of neutrons is Thus, Cl-35…

A: Elements with an even number of protons form stable isotopes when the number of neutrons is even.…

Q: Calculate the effective radiation dosage in sieverts for a 77-kg person who is exposed to 8.7 x 10"…

A:

Q: 32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 48.9 g of "P, how…

A:

Q: he stable isotope of phosphorus is P-31. Predict the nuclear process for the decay of P-32. A) alpha…

A: The nuclear process for the decay of P-32 is beta decay

Q: minder - 18668 M Zoom link (period 4) - 18668@ O Empower 2021 A…

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Q: 16. Are the following decays possible? If not, why not? a. 2Th → U + a h Pu → U + a c. P→S + e 232…

A: Starting with the first reaction,  Using the conservation of Z and A numbers we have            232…

Q: 5. What is the energy released in this Bt nuclear reaction Al Mg+ e? (The atomic mass of Al is…

A: We have to find energy released

Q: Which of the following isotopes is most likely to be unstable? 28 14SI 46 °22Ti 38 18Ar none of the…

A:

Q: 60-Co beta decays with half- life of 5.27 years (1.66 x108 sec) into 60NI, which then promptly emits…

A: a) The activity of a sample is given by A = N × ln2t12 Here, the half-life is given to be = 5.27…

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.