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- Elemental carbon has 6 protons and 6 neutrons. This is often described as carbon-12. Carbon-13 has 6 protons and 7 neutrons, while carbon-14 has 6 protons and 8 neutrons. Based on the trend with carbon and the fact that plutonium has 94 protons, how many neutrons are in radioactive plutonium-244? O 102 neutrons O 108 neutrons O 150 neutrons O 338 neutrons Next Submit Save and Exit Mark this and return m/ContentViewers/AssessmentViewer/Activit. פ נi Sign outPart A Calculate the total binding energy, and the binding energy per nucleon, for Li. The masses of the atoms of Li and H are 7.016004 u and 1.007825 u, respectively. The mass of a neutron is 1.008665 u. Express your answers using four significant figures separated by a comma. Etotal, Eper nucleon = MeVIndium-116 is radioactive and has a half life of 14.10 seconds. Calculate the activity of a 7.4 mg sample of indium-116. Give your answer in becquerels and in curies. Be sure your answer has the correct number of significant digits. Da
- Identify the isotope notation for the isotope of iodine that has 67 neutrons.The barium isotope 131 Ba has a half-life of 12 days. A 210 µg sample of 131 Ba is prepared. Part A What is the mass of 131 Ba after 1 day? Express your answer to two significant figures and include the appropriate units. μΑ ? Value mug m =Part A Calculate the mass of a "Li nucleus. Give all answers in SI units. Express your answer to four significant figures and include the appropriate units. ► View Available Hint(s) μA m = 11.7174 10 Submit - 27 Previous Answers kg ? X Incorrect; Try Again; 4 attempts remaining
- Radon gas has a half-life of 3.83 days. If 2.92 g of radon gas is present at time t = 0, what mass of radon will remain after 2.20 days have passed? gNuclear Physics Item 12The age of wine can be determined by measuring its radioactive tritium content. i. How many protons, electrons, and neutrons are in tritium (3H)? ii. The half life of tritium is 12.5 years. What is the age of a wine that has only 43% of the tritium activity of a freshly bottled sample? Please explain why your answer makes sense.
- 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-226Part A A sample of U (T1= 1.59 × 10° yr) contains 2 233 6.10 x 1018 nuclei. What is the decay constant? Express your answer using three significant figures. ? = s-1 IIA radioactive sample has a half-life of 1.0 min. That is, each nucleus has a 50% of undergoing a decay sometime between t = 0 and t = 1 min. One particular nucleus has not decayed at t = 15 min. Part A What is the probability that this nucleus will decay sometime between t = 15 min and t = 16 min? Express your answer using two significant figures. ΤΟ ΑΣΦ ? %