Smoke detectors use the radioisotope Am-241, which works by no longer sending radioactive signals when smoke is present. It is most likely a(n)   alpha emitter   beta emitter   gamma emitter   positron emitter

Q: The gallium-67 nuclide is used in tumor diagnostic applications. This has a half-life of 78.2 hours.…

A: given, half life =  78.2 hours  time = 5.00 days

Q: Carbon-14 is used in radiocarbon dating. The half-life of carbon-14 is 5.73*10^3 years. How many…

A:

Q: A medical technician is working with the four samples of radionuclides listed in the table below.…

A: half life of sample A to D is given in the table We need to arrange order of radioactivity of the…

Q: Why is radiation therapy an effective treatment for certaintypes of cancer?

A: Radiation therapy is an effective treatment for certain types of cancer.

Q: Which of the following nuclides is an isobar of ¹⁴₇N? A) ¹⁴₆C B) ¹⁶₇N C) ¹⁵₇N D) ¹⁶₈O E) All of the…

A: Among the all given options the nuclide is an isobar of 147N is

Q: Identify the radiotracer used to study problems with spleen. O iron-59 O phosphorus-32 O…

A: Correct answer is iron-59. Radiotracer Fe-59 is used to study problems with spleen.

Q: Nuclides that lie below the valley of stability with an N/Z ratio that is too low (too few neutrons…

A: Radioactivity is a phenomenon in which unstable nuclei get stabilized by the emission of alpha ray,…

Q: 128Ba+ ____  -->  128Cs         Alpha emission     Beta emission     Positron emission…

A: The atomic number of Ba is 56 and Cs is 55 Hence the reaction taking place is (assuming the unknown…

Q: A medical technician is working with the four samples of radionuclides listed in the table below.…

A: Since you have posted a question with multiple sub-parts we will solve the first three sub-parts for…

Q: Two of the following nuclides do not occur naturally. Which do you think they are? Encircle your…

A: 1. Hydrogen has 3 naturally isotopes i.e. 1H(Protium), 2H(Deuterium), 3H(Tritium). So, 2H occurs…

Q: Match the following:  neutron, fusion, positron, elctron capture, proton, alfa partcile 1) This…

A: A chemical reaction is the symbolic representation of the conversion of substances to new…

Q: The remains of an ancient cave were unearthed. Analysis from charcoal in the cave gave 12.0…

A: Radioactive decay is the process where the unstable nuclei break down into stable ones by emitting…

Q: A radioactive isotope has a half-life of 12.0 seconds. How much of a 100 gram sample is left after…

A: Given  Half life of radioactive isotope ( t1/2 )  = 12 second  Initial Mass of sample   ( A )0 = 100…

Q: Select the isotope that has the greatest stability per nucleon. A. 56 Fe 26 B. 131 Xe 54 C. 23 Na…

A: Here we have to select the isotope which has greatest stability per nucleon-

Q: A radioactive particle deflected away from a negatively charged plate must be a(n)   beta particle…

A: Charges of opposite sign attract each other, where as charges of same sign repel each other.  Given…

Q: A medical technician is working with the four samples of radionuclides listed in the table below.…

A:

Q: The following statements about properties of radioisotopes which are used in medicine, b and e is…

A: A question based on radioisotopes used in medicine, which is to be accomplished.

Q: Write the isotope symbol for each radioisotope.    technetium-99: iridium-192: strontium-89:

A: EXPLANATION: Isotope is defined as the chemical element which has one of two or more forms that have…

Q: Which of the following radiation would become attracted to the positive (+) end of a magnet? Alpha…

A: The process of emission of radiations from an atom that has a heavy nucleus is called radioactive…

Q: A scientist is investigating how quickly water goes up a tree in a forest. Which radioisotope below…

A: Answer - Radioisotopes - Radioisotopes are radioactive isotopes of an element. They can also be…

Q: 97Tc + ____       97Mo     Alpha emission     Beta emission     Positron emission…

A: Atomic number of Tc is 43 and Mo is 42 Hence the reaction taking place is (Assuming the missing…

Q: 2. Classify each of the following nuclides as "probably stable “, “ beta emitter", or "positron…

A: The Nuclides with stability near the belt of stability is called  probably stable The  nuclides with…

Q: Potassium-40 is a beta emitter. That means it   becomes negatively charged   becomes positively…

A: The process of radioactive decay takes place in that element in which unstable nuclei is present.…

Q: Which statement accurately summarizes why radiocarbon dating could be used for some samples but not…

A: Radiocarbon dating could be used for some samples but not others beacuse of:

Q: Identify the process for converting 24/11 Na into 24/12 Na.

A: ANSWER

Q: How much of a sample of cesium-137 (t1/2=30 years) must have been present originally if, after 270…

A: Radioactive decay follows first-order reaction kinetics. Hence, the integrated rate law for the…

Q: Complete the following beta decays. Make sure to delete the "0" that appears in the pre‑subscript…

A: Beta decay : It is the radioactive decay process where the atomic nucleus emits the beta particle…

Q: What product is formed when Ra-226 undergoes alpha decay Thorium-230 undergoes alpha decay C-14…

A: Since you have posted the question with multiple questions, we will solve the first question for…

Q: What medical imaging techniques do not use radioactivity?

A: Given information,   Medical imaging techniques that do not use radioactivity

Q: 3Ga --->    73Ge + ____       Alpha emission     Beta emission     Positron emission…

A: Various sub-atomic particles possessing specified mass and atomic numbers are evolved in nuclear…

Q: A wooden boat discovered just south of the Great Pyramid in Egypt had a carbon-14 content of…

A:

Q: 8. In a paper-making factory, beta radiation is used to check that the paper being produced is the…

A: The simple reason for the same is optimum conditions. We need the one which is suitable and is…

Q: 38. Na-24 undergoes beta emission to change to   Na-23   Mg-24   Ne-24   Mg-23

A:

Q: By what processes do these transformations most likely occur? (a) 107 Pd to 107 Ag alpha decay O…

A:

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

A: There are sub-atomic particles like alpha particle, beta particle and gamma particle. Alpha particle…

Q: Radioisotopes have been used as tracers in a variety of applications because O radioactive isotopes…

A: The correct answer is given below

Q: The 4520Ca has a Half-Life t1/2 of 163 days. the value of the radioactive constant λ in day-1 is:

A: Please find the attached images for the answer

Q: What is it called when an unstable nucleus decays to small and more stable nuclei?  radioactive…

A:

Q: Which type of radioactive decay has the net effect of changing a neutron into a proton? (Select all…

A:

Q: Some Radioactive Isotopes Useful in Medical Imaging Mode of Isotope Decay Half-life Use in Medical…

A:

Q: 23 Mg decays to 12 23 Na. Which of the following 11 The isotope processes can produce this change?…

A:

Q: refer to pic The nuclide 8334Se3483Se is unstable. What type of radioactive decay would be…

A: The correct option is option b.

Q: An atom of 131I has a mass of 130.906114 amu. Calculate the binding energy per MOLE in kJ.   a. 1.06…

A:

Q: A medical technician is working with the four samples of radionuclides listed in the table below.…

A: We need to arrange the given radioactive isotopes in order of radioactivity

Q: Krypton-81m Whole-body scan for tumors Mode of Decay Isotope Half-life Use in Medical Imaging B+, y…

A: All radioactive decay reactions follow first order kinetics. For first order reaction, half-life…

Q: This reaction is an example of 210 Po  --->  206 Pb  +  ________ beta emission electron capture…

A: Alpha decay: In alpha decay, nucleus emits alpha particle which has two neutrons and two protons. It…

Q: 222Rn is an unstable nucleus that is hazardous. Several pathways are known for its decomposition.…

A: The unstable nucleus  222Rn can emits three alpha and four beta particles (α–β–α–β–α–β–β).  The…

Q: The way radioisotopes are useful in treating cancer is due to   being easy to detect   killing…

A: The radioisotopes are used to treat cancer by killing cancer cells or inhibits the growth of Cancer…

Q: A medical technician is working with the four samples of radionuclides listed in the table below.…

A:

Q: Uranium235 decays to a form of Pb207 with a half-life of 710 million years. If an outcrop of rock…

A: Half life of the parent isotope = 7.1 × 108 years Since radioactive decay follows first order…

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.