Answer: Radiation has a profound effect on matter. Particularly in forms where it has high energy. There are basically two kinds of radiation‚ and they are electromagnetic energy and particulate radiation. Low energy electromagnetic radiation isn’t generally hazardous‚ as long as the field strengths are low. You wouldn’t want to stand in front of a radar antenna when it’s radiating‚ but we are swept by low power electromagnet energy all the time. Those so-called radio waves are everywhere. Light
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SUBMITTED BY: Teresita C. Ojastro SUBMITTED TO: Mrs. Pilar M. Macabinguil MALOH PROVINCIAL COMMUNITY HIGH SCHOOL DUMAGUETE CITY NEGROS ORIENTAL 6200 Mrs. Pilar M. Macabinguil ENGLISH IV Teacher MPCHS Madam: In partial fulfillment of the requirement in ENGLISH IV‚ I hereby present to you my term paper entitled “What is Radiation?” This term paper presents a research study on the importance about radiation and how
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Cobalt 60 Mode of decay: Beta particles and gamma radiation Chemical properties: Metallic solid that can become magnetically charged What is it used for? Co-60 is used medically for radiation therapy as implants and as an external source of radiation exposure. It is used industrially in leveling gauges and to x-ray welding seams and other structural elements to detect flaws. Co-60 also is used for food irradiation (http://www.cdc.gov/ncidod/dbmd/diseaseinfo/ foodirradiation.htm)‚ a sterilization
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physicist and chemist who earned the title “Father of Nuclear Physics” after his discoveries of radioactive half-lives‚ differentiated between alpha and beta radiation‚ and proved that radioactivity involved the transmutation of one chemical element to another. He is also the recipient of the 1908 Nobel Prize in Chemistry "for his investigations into the disintegration of the elements‚ and the chemistry of radioactive substances". Ernest Rutherford was born in Spring Grove‚ New Zealand to his English
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Determining Half-Life Emily Silvi March 4‚ 2013 Lab Partner: Meghan Imbalzano Presented to Madelyn Prosachik [pic] Simulated Determination of a Half-Life. |Years |Atoms Decayed |Atoms Remaining |Half-Life | |0 |0 |190 | | |1
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element with symbol Rn and atomic number 86. It is a radioactive‚ colorless‚ odorless‚ tasteless noble gas‚ occurring naturally as the decay product of uranium. Radon is a gas produced by the radioactive decay of the element radium. Radioactive decay is a natural‚ spontaneous process in which an atom of one element decays or breaks down to form another element by losing atomic particles (protons‚ neutrons‚ or electrons). When solid radium decays to form radon gas‚ it loses two protons and two neutrons
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conclusion was based upon carefully designed and conducted experiments that compared the ratios in rock samples of parent elements to daughter elements ( some of which would have been from radioactive decay of the parent‚ some of which may have been present in the sample at the time of formation). Since radioactive decay is known to occur at a constant rate‚ the age of a rock can be determined from the ratio of the parent element to the daughter element. The concerns about these dating methods were exactly
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Radioactive decay is the process by which an atomic nucleus of an unstable atom loses energy by emitting ionizing particles (ionizing radiation). There are many different types of radioactive decay (see table below). A decay‚ or loss of energy‚ results when an atom with one type of nucleus‚ called the parent radionuclide‚ transforms to an atom with a nucleus in a different state‚ or to a different nucleus containing different numbers of protons and neutrons. Either of these products is named the
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Section 1: What is radioactivity? Nuclear Radiation During radioactive decay‚ the unstable nuclei of these isotopes emit particles‚ or release energy‚ to become stable isotopes‚ as Figure 1 shows. After radioactive decay‚ the element changes into a different isotope of the same element or into an entirely different element. Recall that isotopes of an element are atoms that have the same number of protons but different numbers of neutrons in their nuclei. Different elements are distinguished
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ATGE1073 Engineering Science II Tutorial: ATOMIC & NUCLEAR PHYSICS Prepared By NHL 1 Q1. The radioactive nuclide 199Pt has a half life of 30.8 minutes. A sample is prepared that has an initial activity of 7.56x1011Bq. (a) How many 199Pt nuclei are initially present in the sample? (b) How many are present after 30.8minutes? What is the activity at this time? (c) Repeat part (b) for a time 92.4 minutes after the sample is first prepared. (a) 2.02x1015‚ (b) 1.01x1015‚ 3.78x1011Bq‚ (c) 2
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