Calculate the nuclear radius of cobalt-27.
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A: Given : Radius of nucleus (R) = 3.26 fm No. of neutrons (N) = 10
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Q: The mass of the 16O nuclide is 15.994915 u. What is the total binding energy for this nucleus
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Q: Calculate the mass defect of 237Np if the mass of this nuclide is 237.048 amu.
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Q: Help.answer.explain A nucleus of Th-231 undergoes beta decay. Write the equation that explains this.
A: A nucleus of Th-231 undergoes beta decay. To write the equation of beta decay.
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Q: The half-life of 131I is 8.04 days. (a) Convert the half-life to units of seconds. s (b) What is…
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Q: is among the most tightly bound of all nuclides. It makes up more than 90% of natural iron. Note…
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- Nuclear density is almost similar for all elements. Thus the number of protons and neutrons inside a nucleus per unit volume will be approximately the same for all elements.
- Thus if we assume a nucleus to be spherical then the nuclear radius will be proportional to the cube root of the mass number. Thus we can write,
Here r0 is a constant of proportionality, and A is the mass number of the element.
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- The isotope 1321 decays by ß- emission into stable 132 Xe with a half-life of 2.3 h. (a) How long will it take for of the original 132 I atoms to decay? (b) How long it will take for a sample of 132 I to lose 95% of its activity? 1012 of 14℃ inA 10 g sample of a radioactive element took 12 days to reduce into 1 g. Calculate the half-life and identify the element.Complete each of the following nuclear reaction equations: (a)23592U + 10 n ---> 14156Ba + _____ (formula) + 3 10n (b)23892U ---> 23490Th + ________ ( formula and name) (c)3015P ---> 3014Si + _______ (formula and name) (d) 22888Ra ---> 22889Ac + ______ (formula and name)
- A radioactive sample studied in a lab is found to have a half-life of 25 hours. If the initial sample contained 7.5x10¹⁰ radioactive nuclides estimate the number of radioactive nuclides present in the sample after 10 hours.After 1.86 days, the activity of a sample of an unknown type of radioactive material has decreased to 88.2% of the initial activity. What is the half-life of this material?Determine the nucleus density (in kg/m3) of the following four isotopes.4He (m = 4.00260325415 u) = 2.307e17 kg/m^321Ne (m = 20.99384668 u) = ______ (CANNOT BE 2.99328e17 kg/m^3)186Tl (m = 185.97833 u) = ________ (CANNOT BE 2.9946e13 kg/m^3)231Pa (m = 231.035884 u)= _____ (CANNOT BE 3.624e-13 kg/m^3)
- A certain isotope has a half-life of 5.9 h and an atomic mass of 95.98 u. What will the activity in Bq of a 1.36-g sample be after 19.8 h?After 2.14 days, the activity of a sample of an unknown type radioactive material has decreased to 82.2% of the initial activity. What is the half-life of this material? days Need Help? Read ItThe experimentally measured mass of the 200Hg atom is 199.968316 u. Find the binding energy per nucleon predicted by the semiempirical binding energy formula and compare with the actual value of e for this nucleus
- What is the activity (in particles/s) of a sample of Carbon-14 that contains 9.070E+21 nuclei?A single atom of cesium-133 has a mass, in atomic mass units, of 132.90545193 u. Determine a) the mass defect in atomic mass units b) the total binding energy in MeV c) the average binding energy per nucleon Thank you for the help. I appreciate itYou have a sample of unknown medication that is radioactive. You believe you should be able to identify the medication if you can deduce its half-life. You measure its initial activity as 2.30e+06 Bq. 10.4 hours later you measure its activity as 8.10e+05 Bq. a) What is the half-life of this unknown sample? hour b) How many nuclides are present when the activity is 8.10e+05 Bq?