A radioactive nuclide of mass number 94 has been prepared by neutron bombardment. If 4.7 µg of this nuclide register 20 counts per minute on a radioactivity counter, what is the half-life of this nuclide? (Enter in years.) 0.825 Submit Answer You have entered that answer before Incorrect. Tries 3/99 Previous Tries

Q: In what main way is fission different from radioactive decay? Are all fission events in a chain…

A: In what main way is fission different from radioactive decay? Are all fission events in a chain…

Q: This exercise uses the ra A wooden artifact from 5730 years. Round your yr

A: Radioactive decay is the act of emitting radiation spontaneously. It is known as nuclear decay.…

Q: Barium-141 is a beta emitter. What is the half-life if a 16.0 g sample of the nuclide decays to 0.50…

A: Given,Initial amount of Barium-141 = 16.0 gAmount of Barium-141 remaining after 90 minutes = 0.50…

Q: 12) Scientists are using Carbon-14 to date a fossil found in some ruins in a crater in southern…

A:

Q: The Cs-131 nuclide has a half-life of 30 years. After 120 years, 5.3 g remain. What is the original…

A: The objective of this question is to find the original mass of the Cs-131 sample given its half-life…

Q: The Cs-131 nuclide has a half-life of 30 years. After 120 years, 4.4 g remain. What is the original…

A: The Answer to the following question is-

Q: A sample of technetium-99m with a mass of 4.61 ng will have decayed to how much of this radionuclide…

A:

Q: 13. When an electron is emitted by an unstable nucleus the atomic mass number of daughter nuclide…

A: when a unstable nucleus decays by emitting a electron, one of the neutron gets spilt in to proton…

Q: Skittles "S" Down Skittles "S" Down Skittleso "S" Up (Parent Atoms) (Daughter Atoms) for each Trial…

A:

Q: All the nuclides below undergo nuclei decay, write an equation for each process with an explanation.…

A: For nuclear reactions : The sum of the mass numbers of the reactants equals the sum of the mass…

Q: Can the half-life of a given isotope be manipulated or changed to suit human needs?

A: Answer

Q: Consider a certain type of nucleus that has a half-life of 32 min. Calculate the percent of original…

A: Given: The half life, (t1/2)=32 min. The time of disintegration , (t)=1.9 hrs=(1.9*60)=114 min.…

Q: muclide decay mode daughter nuclide 10 Be beta emission 147 143 No (choose 14 beta emission

A:

Q: 5. If a nucleus is too large, which type of particle will it most likely emit? O neutron beta…

A: The chemical symbol of neutron is 01n which has the mass number one and atomic number zero. When a…

Q: Why do the nuclides that are used as radiotracers have short half-lives?

A: Radionuclide is an atom that possesses excess nuclear energy, which is used in the radioactive decay…

Q: What type of radioactive decay would be expected for the unstable nuclide 24494??24494Pu? Group of…

A: Plutonium 244 decays into uranium 240 via alpha particle emission.

Q: The table below lists information about the radioactive decay of three nuclides. Fill in the missing…

A: The radioactive decay of the three nuclides are:

Q: which has more penetrating power - alpha rays or beta rays?

A: Penetrating power:Each type of radiation has a different ability to penetrate materials. The…

Q: After 31 years, what mass (in g) remains of a 45.0 g sample of a radioactive isotope with a…

A: Given, Half life (t1/2 )= 7.3 years time (t) = 31 years Number of radioactive atoms present…

Q: A 50.0g sample of nitrogen-16 takes 14.4 second to decay to a mass of 12.5G. Calculate the half life…

A: Given: The time taken by N-16 to undergo decay, t = 14.4 sec The initial amount of N-16, No = 50.0 g…

Q: What mass of Kr - 91 (atomic mass 90.92 amu) is produced by the complete fission of 19 g of U – 235…

A: By the help of stoichiometric coefficient we can find the amount of unknown substance by the help of…

Q: Calculate the binding energy per nucleon of boron 11 if the atomic mass of boron 11 isb11.00931 amu

A:

Q: The cesium-131 nuclide has a half-life of 30 years. After 120 years, about 3 g remains. The original…

A: