"HW1: What do PET diagnostic radionuclides have in common?

Q: Which of the following statements relating to indirect radiochemical interactions is INCORRECT?

A: D option is incorrect

Q: Which of the following is NOT an example of radioactivity? * Being exposed to UV rays in a tanning…

A: Being exposed to UV rays in a tanning bed is an example of radiation in everyday life. Tc-99 can be…

Q: Describe several methods used to detect and measure radiation.

A: Describe several methods used to detect and measure radiation.

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: A 75-kg man has a dose of 32.8 rad of radiation. How muchenergy is absorbed by his body? Compare…

A: 1 rad indicates that 0.01 joule of radiation is absorbed by per kilogram of the body. Hence, the…

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: Write balanced equations for the decays of 13N and 18F, two other radioisotopes that are used in…

A: Positron collision with an electron causes annihilation.In annihilation process any subatomic…

Q: A discovery revealed a parchment fragment that had about 64% as much 14C radioactivity as does plant…

A: Answer: This question is based on the radioactive decay and all the radioactive decay reactions are…

Q: What are radiotracers? do they work? Name two and neir medical applications.

A: Answer - According to the question - A radio tracer is a chemical compound in which one or more…

Q: Indicate the number of: protons neutrons and electrons for 204pb nuclide.

A: Here we have to find the number of protons, neutrons and elctrons present in 204Pb nuclide isotope.…

Q: The bacteria in some foods are sterilized by placing the food near a source of 1onizing radiation.…

A: radiation is a transmission of waves that travels through a medium. For Eg electromagnetic…

Q: How cardiac imaging is done using a radio isotope

A: Cardiac imaging is the imaging technique or non-invasive imaging of heart. This imaging can be done…

Q: Summarize medical applications of radioisotopes

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

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: If the half life of a radioactive element is 32.8 years, how many years will it take for a sample to…

A:

Q: How does nuclear fission generate electricity? Use the paperclip button below to attac

A: What is nuclear Energy?  Nuclear energy comes from the binding energy that is stored in the…

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: While touring pressurized water reactors, visitors are often granted access to the steam turbine…

A: In pressurized water reactors the heat transfer from core to turbines takes place in two different…

Q: What medical imaging techniques do not use radioactivity?

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

Q: Table III-C. Type of Radioactive Decay for Some Radioisotopes Unstable Isotope Prediction Confirmed…

A: Nuclear chemistry. Radio active disintigration.

Q: Half life of radionuclide is 15.0 minutes. How many grams of 10.0 g will remain after 2.00 half…

A:

Q: The following radioisotope will decay through 82Sr 38 O Alpha Electron capture Beta Positron

A:

Q: Explain the significance of the biological effectiveness factor in measuring radiation exposure?

A: Biological effectiveness factor can be defined as the correction factor which provides the…

Q: The positrons emitted by 11C have a maximum kinetic energy of 0.99 MeV, and those emitted by 15O…

A: Given: The positrons emitted by 11C have a maximum kinetic energy of 0.99 MeV. The positrons emitted…

Q: information of revolution and radioctivity of nuclear energy

A: It is given to write the information about revolution and radioactivity of nuclear energy.

Q: A radioisotope tracer has a half-life of 2 minutes. If a level of <1% is considered safe, when would…

A: We will calculate the time of radioactive tracer by using  radioactive decay process.

Q: What two ways are radioactive tracers used in organisms?

A: To find: Two ways in which radioactive tracers used in organisms

Q: The intensity of a radioactive source at 1 foot is 500 mCi; at what is the intensity at 3 meters?…

A:

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 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: a) my dining utensils contain chromiun, are they radioactive? 5) should my oxyen be liquid or gaz?

A: Ans A) chromium used in dining utensils is mixture of stainless steel.  So it is safe.

Q: Why is it found experimentally difficult to detect neutrinos in nuclear P-decay?

A: Quantum tunnelling may be one of mechanisms of proton decay. Quantum gravity may also provide a…

Q: ty due to the radioactive decay of the carbon-14 in a tiny sample of an artifact made of wood from…

A: Answer: the half life carbon -14 is = 5.73 × 103 years.  Activity of the sample in initial( Ao)=…

Q: On April 26, 1986, an explosion at the nuclear power plant at Chernobyl Ukraine, released the…

A:

Q: A 10, gram mouse was found to be uniformly contaminated on its whole body with 2.5 µCi of…

A: Given: 10 mg of mouse contaminated on its whole body with 2.5 µCi of radioactive glucose. mass of…

Q: Simple Chemical Conversion A certain radioactive substance has a half-life of 38 hours. Find how…

A: We have given that a certain radioactive substance has a half life of 38 hours and we have to find…

Q: Suppose an object receives 2340 millirem of radiation when it is 10 meters from the source,…

A: The intensity of radioactivity is inversely proportional to the square of distance it means on…

Q: Find the number of a-particles emitted in 1 second from 4 * 10-12 gram 210Po radioisotopes with a…

A: 669 number of a-particles emitted in 1 second.

Q: What isotope results from a decay of the americium-241 in smoke detectors?

A: Isotope  They are the different forms of any chemical element in which the number of protons are…

Q: 10 mCi of F-18 FDG is needed to scan a patient for PET. If the cylotron is located in Quezon City,…

A: Initial amount of F-18 =F-18 0  = To be determined Half Life of F-18 =109.7 minute As we know k t1/2…

Q: Vhat is the half-life of a radioisotop

A:

Q: Rn - 220 as a nuclear equation

A: 220Rn undergoes nuclear reaction and it emits one α particle to along with gives 216Po which is…

Q: The half life of a specific radionuclide is 8 days. How much of an 80mg sample will be left after 24…

A: There are two methods to solve it : Method (1): The half life is the time in which any compound is…

Q: Fluorine-18, which has a half-life of 110 minutes, is used in PET scans. If 100 mg. of fluorine-18…

A: Interpretation -  To determine the miligram of the radioisotope when Fluorine-18, which has a…

Q: QB - An alien visited our planet in year 5305 and found that humans have long gone from this planet…

A: Given: Mass of 226Ra = 2.5 g. Mass of 206Pb = 6.8 g. And the half-life of decay = 1640 years.

Q: Are all radiolarian tests (shells) identical to each other, or are some different from others?…

A: Radioladians are group of protozoa that produce intricate mineral skeletons typically with central…

Q: The intensity of radioactivity depends on the distance of the recipient from the source of radiation…

A: The intensity of radiation depends on the distance between the source and the sink/receiver and is…

Q: ght given off by a tungsten filament amma decay uclear fission in nuclear reactors

A: