Why is radiation so harmful to living things?     creates free radicals which are highly reactive     reactions occur causing genetic mutations     turns the skin green     more than one response is correct

Q: Were organisms a billion years ago exposed to more or lessionizing radiation than similar organisms…

A: Ionizing radiations have sufficient energy to remove electron from molecules or atoms they strike.…

Q: Predict the type of radiation emitted when boron-8 decays spontaneously. Group of answer choices…

A: Introduction: Positron emission: A positron is like an electron but it has a positive charge,dur dur…

Q: Question 21 One of the disadvantages of SEM is radiation exposure. What is the source of this…

A: SEM is scanning electron microscopy. It is type of microscope that uses electrons instead of light.

Q: the parent nic life of thorium-232 will undergo a series of decays before becoming stable. The first…

A: Alpha Decay When an atomic nuclei decays into different daughter atomic nuclei, with emission of…

Q: Real-World Applications: U-238 Dating But what if all the C-14 in a sample has decayed or the sample…

A: Uranium-238 or U-238 (238U) is the most common isotope of uranium found in nature and used for…

Q: Which of the following is not a symptom for radiation sickness vomitting tiredness C headache hair…

A: Tiredness is not a symptom of radiation sickness.

Q: Which of the following statements concerning nuclear fission is correct?     It doesn’t produce…

A: The two main categories of radioactive reactions are fission and fusion. The waste or products…

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: Initially 55 grams of radioactive substance was present. After 8 hours the mass had decreased by…

A: Initial mass of substance = 55 g After 8 hours, mass left =  0.89 x 55 g= 48.95 g Mass left after 78…

Q: If only 50% of the original amount of a radioisotope remains, a. half the time has gone by b. after…

A: Half life :-  in radioactivity, the interval of time required for one-half of the atomic nuclei of a…

Q: Which of the following would be valid uses of a radioactive tracer? embedding a radioactive plug in…

A: A radioactive tracer is used to trace the distribution of material and the way it moves throughout a…

Q: Radiation is utilized to reduce or eliminate microorganisms and insects from food. What are the…

A: Food irradiation is a technology that uses ionizing radiation on food in order to improve the safety…

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: Describe the use of ionizing radiation incancer therapy

A: The use of ionizing radiation in cancer therapy has to be given,

Q: Iodine-123 can be used as a tracer specific for the thyroid gland. If a thyroid is NOT overactive, a…

A: Iodine-123 is tracer used for tracing Iodine content in the thyroid gland. For this purpose,…

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: Which of the following isotopes would be the best choice for use with PET?

A: Introduction: PET ( Pistron Emission Tomography ) is a nuclear medicine imaging method , frequently…

Q: If a single airport x-ray scan has a biological radiation effect of 0.1 mrem, how many of these…

A: Given : Single effect of X-ray radiation = 0.1 mrem = 1.0 X 10-4 rem            (since 1 rem = 1000…

Q: Why do scientists study and synthesize new transuranium elements in the laboratory?

A: Transuranium elements: These are elements having an atomic number greater than the uranium element.…

Q: When the nuclide bismuth-210 decays to thallium-206, what kind of decay does bismuth-210 undergo?…

A: Given is ,bismuth-210 decays to thallium-206

Q: When did the world know fusion existed? Select one: B.1920 C.1960 D.1980

A: FUSION:--It is process in which two nuclei fuse with each other and produces energy. •Fusion of…

Q: Write out balanced nuclear reactions for the following: Phosphorus-28 emitting a positron Argon-37…

A: Nuclear reaction: A nuclear reaction must cause a transformation of at least one nuclide to another.…

Q: Which of the following chemical elements has the highest tendency to loss electrons? Al. Li. Mg.…

A: The correct answer is given below

Q: You have a patient with cancer. What type of radiation treatment might destroy the tumor without…

A: Radiation therapy is a type of treatment that involves the use of ionising radiation. Radiation…

Q: When the radiation is from an external source, which type of radiation is most harmful to the human…

A: Radiation source is external and most harmful to the human body.

Q: Which of the following structures ( shown in the image ) is parallel to beta sheet? A or B

A: β-sheet are the zigzag chain which are stacked one upon another to form a 3D-structure.

Q: Which of the following is not a factor in determining the biological effects of radiation exposure?…

A:

Q: Calculate the absorbed dose of radiation for tissue that suffers a mean energy absorbed of 0.42…

A: Given: Mean energy absorbed=0.42 Joules Quantity of tissue with mass =60 grams To find: absorbed…

Q: If more than one neutron from each fission event causes another fission event, the fission situation…

A: The splitting of heavy atom by striking neutron to it in order to produce great amount of energy is…

Q: List five uses of man made radioisotopes.

A: Radioisotopes find multiple uses in different fields which are beneficial to mankind. They have…

Q: Which field (medicine, agriculture, industries) is the Radioactive Isotopes (Radioisotopes) most…

A: Radioactive isotopes, also called radioisotope or radioactive nuclide, is mostly used in medicine.…

Q: 1.Give the History of Radioisotopes. 2.Applications of Radioisotopes in Medicine? Agriculture?…

A: After World War II, the U.S. Atomic Energy Commission (AEC) began mass-producing radioisotopes,…

Q: The explanation for how a beta-particle is produced in the nucleus of a radionuclide and then…

A: beta particles are 0-1e Hence the beta-particle is produce in the reaction means production of  0-1e…

Q: Write a chemical equation for each of the following radioactive decay processes: a. phosphorus-32…

A:

Q: What is the classification of ( Carbon -11

A:

Q: Iodine -131 decays, but remains Iodine-131. What was emitted from the nucleus?

A: Iodine -131 decays but remains iodine 131.  What was emitted from the nucleus = ?

Q: Iron-55 nuclei are bombarded with carbon-12 nuclei to produce a beta particle and one other nuclei.…

A: According to question:i) F2655e  + C612 → β-10 +........we know that, i)  the sum of mass number on…

Q: Which acts as storage of genetic information in cells? a. nucleic acids b. lipids c. proteins d.…

A: Nucleic acid contains of N containing bases such as Adenine, Guanine, Cytosine, Thymine and Uracil.…

Q: Lead-210(210Pb) decaays by emitting a beta.what is the product

A: After removing Beta particle the mass no of the new element remain same but atomic no increases by…

Q: Based on stellar nucleosynthesis, which heavy element is formed from carbon fusion?

A: Stellar nucleosynthesis is the process by which elements are created within stars by combining the…

Q: Gamma rays require the heaviest shielding of all the common types of nuclear radiation because gamma…

A: The photons and particles emitted during the nuclear reactions are termed as nuclear radiations. The…

Q: Nitrogen-13 undergoes positron production. What is the name of the other product nuclide in the…

A: Radioactive decay or radioactive emission is the process by which an unstable nuclei emit a nuclear…

Q: Summarize the career of a Radiation Technologists.

A: As you not specified so I am giving answer of first question as per guidlines

Q: Complete the table in detail LINAC Cobalt-60 Typical uses Radiation Energy of radiation produced…

A: LINAC Cobalt - 60 Typical Uses Radiation treatments for patients with cancer Radiation therapy…

Q: ____________________________ is the penetrating rays and particles emitted by a radioactive source.…

A: The penetrating rays and particles emitted by a radioactive source ??     1. Transmutation…

Q: Find three examples of a radioactive material that is used in medicine (either as a diagnostic agent…

A: The common radioactive material used in medicine is iodine ( I-131). It is used for the treatment of…

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: An 85 kg radiation worker accidently ingest 1.0 mg of Po211. Calculate Number of Po211 atoms…

A: This problem can be solved by knowing that 1 mole of substance contains 6.022×1023 particles.

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…