5)
An isotope with atomic number > 83, which lies close to the band of stability, will generally decay through
α decay. |
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β decay. |
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γ decay. |
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positron decay. |
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electron capture. |
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5) An isotope with atomic number > 83, which lies close to the band of stability,...
Predict the decay pathways of the following radioactive isotopes using the provided belt of stability figure. For each isotope, select all that apply 000000 S Number of neutrons 10 Number of protons 24Ne Choose one or more: a decay decay electron capture positron emission 62Rb Choose one or more: a decay B decay electron capture positron emission
Polonium-216 decays by alpha particle emission. The chemical symbol of the daughter nuclide is and its mass , its atomic number is number is DI Question 8 10 pts Potassium-40 decays to produce argon-40. Which of the following modes of radioactive decay are possible? That is, which modes would result in the conversion of potassium-40 to argon-40? If more than one mode could achieve this effect, check all that apply. Alpha praticle emission Beta particle emission Electron capture Positron emission...
19. An isotope with a high value of N/Z will end to decay through: a. alpha decay b. beta decay C. positron decay d. electron capture e. gamma decay 20.Identify the missing species in the following nuclear transmutation: 246Cm +12C 41n+? a. 254No b. 258No c. 238Cf d. 238Th e. none of the above 21. The isotope 42Sc is unstable because: a. the number of neutrons is too large in relation to the number of protons b. the number of...
25. Which process decreases the atomic sumbmi of an elervent bhy w A alpha particle emission B beta particle emnsion C positron emesen D. gamma ray emission E none of these 26. Which process inceeases the atomc amber of an elmen by one? A. gamma rey emission B alpha particle emiss ion C beta particle emission D. positron emission E. electron capture 27. Which process decreases the atomic number of an element ty one? A both beta particle emission and...
1. What are five types of radioactive decay studied in this unit? What is the "byproduct" for each decay type (in addition to the daughter nucleus)? Alpha Radiation: Beta Radiation: Gamma Radiation: Positron Emission: Electron Capture: 2. Which of the following could we use to predict if a nucleus is stable? A. The number of protons = the number of neutrons if Z<=20 B. It has an even number of protons and neutrons. C. It has an odd number of...
(a) Rank the following decays in order of the change in atomic number Z that occurs in the decaying nucleus, from most positive (greatest increase in Z) to most negative (greatest decrease in Z). If any two decays cause the same change in Z, state this. Explain how you made your ranking. (i) Alpha decay (emission of a 4He nucleus of charge +2e) (ii) Beta-minus decay (emission of an electron of charge –e and an antineutrino) (iii) Beta-plus decay (emission...
An isotope of gallium, 67Ga, has an atomic number of 31 and a half-life of 78 hours. Consider a small mass of 3.9 grams for 67Ga which is initially pure. 1) Initially, what is the half-life of the gallium? T1/2o = 2) Initially, what is the initial decay constant of the Ga atom in the sample? λo = 3) Initially, what is the decay rate of the gallium? Ro = 4) What is the half-life of the gallium after 24...
Which of the following statements is True? (a) The valley of stability is the geographic location where many of the known nuclides were first discovered. (b), If N/Z ratio is too low , there are too many neutrons and the nuclide will undergo beta decay. (c) If N/Z ratio lies somewhere below 1 , the nuclide is stable. (d) If N/Z ratio is too high , there are too many protons and the nuclide will undergo position emission or electron...
I Review | Conslanls Periodic Table Nuclear stability can in general be predicted based on the following considerations: Using general tendencies and the chart given in the introduction, predict the most likely mode of decay pi cach of the following radiactive is tapes. Drag the appropriate items to their respective bins. View Available Hints) Nuclei with 84 protons or more are unstable. Nuclei containing a magic number of protons and/or neutrons tend to be slable. Slable nuclei allen corilain even...
need help on number 12,14 16,18,20,22,24 please help me pass chemistry please C412 Write balanced nuclear equations for the following: (a) Formation ofTi through positron emission (b) Formation of silver-107 through electron capture (c) Formation of polonium-206 through a decay 24.13 Write balanced nuclear equations for the following: (a) Formation of Am through B decay 228 (b) Formation of 9Ac through B decay 203. (c) Formation of Bi through a decay 241 2414 Write balanced nuclear equations for the following:...