Explain why the age of a sample of a radioisotope is important to understanding its activity. Use an example to illustrate your answer. Why do impurities begin to appear in such a sample as time goes on?

Q: Who discovered Radioactivity? How?

A: Radioactivity is the spontaneous emission of radiation in the form of particles or high energy…

Q: How does radiation affect living organisms?

A: Radiation is defined as the particles or waves having high energy. The emission or transmission of…

Q: Balance each nuclear reaction by indicating the atomic symbol, atomic number, and mass number of the…

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Q: What units are used to measure radioactivity?

A: Radioactive decay or radioactivity refers to the breakdown of an unstable nucleus to a stable…

Q: Evaluate the dangers and benefits of neutrons and their interactions to man and his/her needs.

A: Neutrons are the sub - atomic particles which has a netural charge ( neither positive nor negative)…

Q: What is the meanings of radioactivity, nucleon, nuclide, and isotope

A: What are the meanings of radioactivity, nucleon, nuclide, and isotope?

Q: What radionuclide technique can be used to estimate the age of geological events up to a few billion…

A: Geological events can be defined as the events which are related to the rocks, formation of rocks,…

Q: What is one example of a radioisotope used in medicine? What is it used for?

A: Introduction: Radioisotopes are the element which which are formed through the process of radiation…

Q: List various common kinds of nuclear reactions?

A: When nuclei are bombarded with particles like alpha rays, beta rays, proton, electron, neutron,…

Q: Explain what is meant by (a.) radioactivity (b.) half-Ilfe Why is it necessary to specify the…

A: a) Radioactivity is a process or phenomenon of disintegration of unstable nucleus into stable…

Q: Give examples of common radioisotopes used in medicine.

A: The examples of common radioisotopes used in medicine has to be given.

Q: Describe the relative penetrating powers of alpha, beta, and gamma radiation.

A: Penetrating power of any particle is defined as the tendency of the particle to penetrate i.e pass…

Q: What radionuclide technique can be used to estimate the age of fossils up to 50,000 years old?

A: Radionuclide: It is also known as Radioactive nuclide, radioactive isotopes. These are the atoms…

Q: Summarize medical applications of radioisotopes

A: Radioisotopes have many applications in both diagnosis and medical treatment. The radiations emitted…

Q: Can radiocarbon dating be used to find the age of rocks from the Grand Canyon? Why or why not?

A: To find out whether radiocarbon dating be used to find the age of rocks from the Grand Canyon.

Q: Why was a beta emitter used in the lab instead of an alpha or gamma emitter?

A: Alpha emitter have very high ionization energy, and low penetrations' power Gama emitter…

Q: Enter a nuclear equation for the beta decay of each nuclide. A) Pb-211 Express your answer as a…

A: a nuclear decay is an unstable nuclide undergo different type of decay to form a new stable nuclide

Q: Why do high-altitude jet flights increase a person’s exposure to background radiation?

A: The background radiation is the high-energy radiation is considered to be cosmic radiation. These…

Q: The equation below is best described as ___________. ²¹⁰₈₄Po→ ⁴₂He + ²⁰⁶₈₂Pb A) alpha decay.…

A: Nuclear reaction involves the formation of new nuclei with the emission of alpha or beta particles…

Q: The radioactive nuclide has a shelf-life of 17.5 hours. What mass remains from 0.0100g sample after…

A: Shelf-life of 17.5 hours, Calculate the mass remains from 0.0100 g after 24 hours.

Q: beta, gamma, alpha,  Electron Capture, positron emission?

A: N/P RATIO HIGH : NO OF NEUTRONS ARE MORE N/P RATIO HIGH : NO OF NEUTRONS ARE LESS N/P RATIO IS ONE…

Q: The ionization and damage created by alpha rays is more concentrated and harder for the organism to…

A: Ionizing radiation is the most harmful because it can ionize molecules or break chemical bonds,…

Q: What radioisotope could be a problem in homes built of cinder blocks made from uranium mine…

A: Uranium mine tailing is a waste from the Uranium mill that is used for preparing cinder blocks.…

Q: Find the activity of a sample containing 1.51 x 10-6 g of  6027(Co) (T1/2 = 5.27 years).

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Q: a)Write the balanced nuclear equation describing alpha emission from                 Cm-242      b)…

A: In the process of alpha emission, a particle having +2 units of charge and 4 units of mass is…

Q: What is radioactivity? Who discovered it? How was it discovered?

A: Radioactivity is the property of some atomic nuclei of spontaneously emitting gamma rays or…

Q: What is the product of the β emission of gold-198?

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Q: Explain the main concepts behind the technique of radiocarbon dating. How can radiocarbon dating be…

A: Radiocarbon dating technique:When nitrogen atoms bombard by cosmic rays, C-14 isotope of carbon is…

Q: What are the different ways of measuring the radiation exposure?

A: Radiation is energy that comes from a source and travels through space at the speed of light. This…

Q: A worker in a laboratory unknowingly became exposed to a sample of radio-labeled sodium iodide made…

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Q: What radioactive nuclides will produce the following products following αα decay?   186  76Os…

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Q: What are the principles of radiometric dating methods? detail your descriptions with figures

A: Radiometric dating, radioactive dating or radioisotope dating is a technique which is used to date…

Q: The initial amount of the radioactive material B in a rock is determined to be 19.08 mg. Only 0.0038…

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Q: 8. He + 27AI ---→ H + 2 13

A: In balanced nuclear equation,  the sum of the mass numbers and the sum of the atomic numbers balance…

Q: If additional atoms of U-235 are present ,what could these extra neutrons cause to happen?

A: Applying concept of nuclear fission.

Q: Discuss the effects and applications of Radioactivity?

A: Radioisotopes have found extensive use in diagnosis and therapy, and this has given rise to a…

Q: Otto Hahn and Fritz Strassman continue experiments with neutron bombardment of what element? Uranium…

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Q: 13. Starting with Uranium 238, write the nuclear equations for ( ) i. Alpha Decay i. Beta Decay

A: Soddy-Fajans' Group Displacement Rule :- Two scientist Soddy and Fajans had arrived this law at the…

Q: A uranium-235 nucleus decays by a series of alpha and beta emissions until it reaches lead-207. How…

A: Atomic number of Uranium = 92 Atomic number of Lead (Pb) = 82 Let x be the number of alpha particles…

Q: Gamma radiation is used to treat certain types of tumors deep in the brain that cannot be accessed…

A: Gamma radiation is used to treat certain types of tumors deep in the brain which cannot be accessed…

Q: For the following nuclides: Polonium-210 Nitrogen-13 Palladium-103 Lead-214 Determine the most…

A: 1) The most likely mode of decay in each of the following is: a) Polonium-210 - alpha decay b)…

Q: How was radioactivity discovered?

A: Radioactivity was discovered accidentally in 1896 by French physicist Antoine Henri Becquerel.…

Q: What is the process of predicting the type of Radioactivity?

A: Some atomic nuclei are energetically unstable. The rapid disintegration of such unstable nuclei into…

Q: Write a balanced nuclear equation for the following. Part C Radon-222 undergoes alpha decay.   Part…

A: Interpretation: We have to write the alpha decay equation for the given radioactive elements.

Q: activity

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Q: Explain Marie Curie’s role in the discovery of radioactivity?

A: Marie Curie has a major role in radioactivity. Radioactivity is the phenomenon by which the…

Q: balance

A: Balanced Nuclear Reaction has the sum of mass number and atomic number on reactants and products…

Q: 5.How does the US government handle low-level nuclear waste? A.The waste is submerged in water…

A: Low-Level Radioactive Waste  is a regulatory term defined as the broad group or class of radioactive…

Q: 16-g sample of a radioactive nuclide is taken from location A to B in 2 hours and it was found that…

A: