Mid-Pacific Science3. Create an isotope of platinum (atomic #78) that undergoes alpha (a) decay.a. What changes occur to the isotope as it decays?symbolproton amountneutron amountBefore DecayAfter Decaymasscharge(atomic number)Summarize these changes with your partner.b. What is the mass number and charge of an alpha particle?What is an alpha particle made up of?Hec. Construct a nuclear equation to represent the a decay of the platinum isotope you created.Pt->+Hed. Use your answer to part c to mathematically support the statements below:In a nuclear reaction, the sum of the mass numbers of the reactants equals the sum ofthe mass numbers of the products.In a nuclear reaction, the total charge of the reactants equals the total charge of theproducts.4. Create an isotope of fluorine that undergoes beta minus (ẞ-) decay.a. What changes occur to the isotope as it decays?Topic 7 Atomic Nuclear Particle Physicspage #3

The objective of the question is to understand the process of alpha decay in an isotope of platinum…

Answered: Mid-Pacific Science 3. Create an…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter29: Nuclear Physics

Section: Chapter Questions

Problem 39P

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System Screenshot captured Tap here to view it. Share B. positron emission C. beta emission D. gamma emission 6. Indicate which one of the following processes results in an increase in the atomic number? [1] A. alpha emission A. 0.051 kg B. 0.078 kg C. 1.405 kg D. 1.815 kg 8. How many neutrons are in the 186Re atom? A. 93 B. 111 C. 186 D. 75 7. If you start with a 2.5 kg sample of radium. Determine the remaining radium after 60 days. [2] 22+..............1/2 = 12 days 9. Determine the mass defect of an alpha particle. A. 1.305 u B. 0.039 u C. 4.003 u D. 3.071 u 10. What is required for a nuclear transmutation to occur? A. A corrosive environment B. A particle to collide with a nucleus C. Gamma emission D. Spontaneous nuclear decay 3| Page ** | | 20% 4 TE1 SPHS000 ASSIGNMENT 02 ||| Delete Sign up O 11. The Ra nucleus has 88 protons and 138 neutrons. Its mass is 226.02541 u. Calculate the average binding energy per nucleon (MeV/nucleon). A. 4.584 B. 6.901 [1] [2] [1] 2022 [3]
An isotope decays radioactively, so the amount decreases exponentially. Initially, there were 28 grams of the isotope, but three years later there were only 7 grams. (You must show work, and simplify your answers, although it's OK to leave e and ln in them.) a. Give a formula for the amount of the isotope after t years. b. How much of the isotope will remain, nine years after the start? c. How long after the start will there be only 14 grams of the isotope left?
l AT&T ? 10:47 AM 41% O + A ... 7. Define radioactive decay. Answer: 8. Describe this picture in your own words Nuclear Fission During fission, the nucleus of an unstable atom releases energy when it splits into smaller atoms. How have humans harnessed the energy created by nuclear fission? Answer: 9. Define solar energy. This is the primary conversion of what loss? Answer: Solar energy is the heat or the light that is obtained f technologies such as solar heating and Solar thermal energy. 10. Watch the video Describe it in at least 2. B I U A
B. Using a periodic table, write the nuclear equations for the following radioactive decay series. Write your answer in the space provided. 1. Uranium-235 emits an alpha 2. Thorium-231 emits a beta and a gamma 3. Protactinium-231 emits an alpha and a gamma 4. Actinium-227 emits a beta 5. Th-227 emits an alpha and a gamma 6. Ra-223 emits an alpha 7. Rn-219 emits an alpha 8. Po-215 emits an alpha and a gamma 9. Carbon-14 emits an alpha and a beta 10. Calcium-47 emits a beta and an alpha
Half - Life Practice 2. If you have 100 grams of a radioactive isotope with a half-life of 10 years a. How much ofthe isotope will you have left after 10 years? b. How much of the isotope will you have left after 20 years? c. How many half-lives will occur in 40 years?
Q8. What is gamma decay? Explain it with one example and diagram. Why all the excited states can not decay to all the states?
Q2. Explain the neutrino hypothesis. How it accounted for the conservation of Energy, Linear momentum, and Spin angular momentum for beta decay process.
Answer the following questions regarding the radioactive isotope radium-226. A.Write a nuclear equation for when this nucleus undergoes beta decay. B.What is the binding energy of a radium-226 nucleus? The mass of radium-226 is 226.02541 amu. C.A rock obtained by geologists was found to obtain 1.38 mg of radium-226. Later studies confirmed that 922 years prior, the rock contained 34.6 mg of radium-226. How many half-lives have elapsed? D.Based on your answer to Question C, determine the half-life of radium-226. E.Based on your answers to Questions C & D, determine the rate constant of the beta decay of radium-226
PLEASE HELP ME WITH THESE TWO QUESTIONS. THANK YOU IN ADVANCE. QUESTION 2 An isotope has 40 protons and 50 neutrons. Choose the correct values of the atomic number Z and the mass number A for this isotope. A) Z=50; A=40 B) Z=50; A=90 C) Z=40; A=50 D) Z=40; A=90 QUESTION 3 Given a half-life of a radioactive source, X is 40 years. Calculate the percentage remaining of X after 80 years?
14. The ejection of electrons from the atom when light hits the material. 15. All elements with an atomic number greater than release a part of its mass undergo decay. have big nucleus and have the tendency to 16. An unstable atom emit a helium nuclei.What do we call this atom? A. alpha emitter atom B. beta – emiiter atom C. beta + emitter atom D. gamma ray emitter atom
a. Why is the binding energy per nucleon (from figure) low at low mass number? at high mass number?b. The half life of radio-active isotopes is 140 days. How many days would it take for the activity of the sample of this isotope to fall to one-forth of its initial decay rate? c. Element X has several isotopes. What do these isotopes has in common? How many they differ?
the n= tate. vels for Hydrogen. rbed photon? + tion from the thi 4. A light bulb used in a slide projector draws a current of 6 amperes when operating on 120 volts. a. What is the resistance of the light bulbs in ohms? b. What is the power consumed by the light bulb in watts? C. If two identical slide projectors are connected in parallel across the same 120 Volt source, what is the total current drawn from the source?

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