what are radioactive nuclides
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Radionuclide A radionuclide (radioactive nuclide, radioisotope or radioactive isotope) is an atom that has excess nuclear energy, making it unstable.
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Why does radioactive decay occur? The instability in the nucleus will eventually result in some kind of nucl … ear change (depending on the atom), and we call this radioactive or nuclear decay.   Different radionuclides undergo different types of decay that include spontaneous fission, alpha decay and beta decay.
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Radiation Basics The atom produced by radioactive decay can either be another radioactive atom or a stable (nonradioactive) atom. The radioactive decay modes of most concern for the radionuclides in GTCC LLRW are alpha particle and beta particle emission, and the resultant gamma rays and X-rays that accompany these decay processes.
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Radioactive decay Radioactive decay, also known as nuclear decay or radioactivity, is the process by which a nucleus of an unstable atom loses energy by emitting radiation.A material that spontaneously emits such radiation — which includes alpha particles, beta particles, gamma rays and conversion electrons — is considered radioactive.adioactive decay is a stochastic (i.e. random) process at the level of single atoms, in that, according to quantum theory, it is impossible to predict when a particular atom will decay.
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- Radioactive decay, also known as nuclear decay or radioactivity, is the process by which a nucleus of an unstable atom loses energy by emitting radiation.A material that spontaneously emits such radiation — which includes alpha particles, beta particles, gamma rays and conversion electrons — is considered radioactive.lpha decay occurs when the nucleus ejects an alpha particle (helium nucleus). This is the most common process of emitting nucleons, but in rarer types of decays, nuclei can eject protons, or in the case of cluster decay specific nuclei of other elements.
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- (physics) a series of nuclides each of which undergoes radioactive decay into the next member of the series, ending with a stable element, usually lead See uranium series, neptunium series, thorium series, actinium series.
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Radiometric dating Radiometric dating (often called radioactive dating) is a technique used to date materials such as rocks or carbon, in which trace radioactive impurities were selectively incorporated when they formed.xample of a radioactive decay chain from lead-212 (212 Pb) to lead-208 (208 Pb) . Each parent nuclide spontaneously decays into a daughter nuclide (the decay product) via an α decay or a β− decay. The final decay product, lead-208 (208 Pb), is stable and can no longer undergo spontaneous radioactive decay.
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radioisotope A radioisotope consists of unstable atoms that undergo radioactive decay emitting alpha, beta or gamma radiation. Radioisotopes occur naturally, as in the cases of radium and uranium, or may be created artificially.
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Radioactive Elements Some elements are not stable in nature and continually emitted radiation which are known as radioactive radiations. Because of the emission of radiation, the radioactive element converts in small elements.Generally elements with more number of protons and neutrons i.e. high atomic number show such type of disintegration which also termed as radioactive decay or nuclear decay.ecause of the emission of radiation, the radioactive element converts in small elements. Generally elements with more number of protons and neutrons i.e. high atomic number show such type of disintegration which also termed as radioactive decay or nuclear decay.
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Radioactivity and Radiation Uranium atoms decay into other atoms, or radionuclides, that are also radioactive and commonly called decay products.. Uranium and its decay products primarily emit alpha radiation, however, lower levels of both beta and gamma radiation are also emitted. The total activity level of uranium depends on the isotopic composition and processing history.
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- a radioactive form of an element. A radioisotope consists of unstable atoms that undergo radioactive decay emitting alpha, beta or gamma radiation. Radioisotopes occur naturally, as in the cases of radium and uranium, or may be created artificially. See also radionuclide.
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What is Radioactive Pollution? The radioactive pollution is defined as the physical pollution of air, water and the other radioactive materials. The ability of certain materials to emit the proton, gamma rays and electrons by their nuclei is known as the radioactivity.he fuel and the coolant produce a large amount of pollution in the environment. The atomic reactors are also rich in the radioactive materials. There biggest problem is in their disposal and if they are not properly disposed they can harm the living organisms. If they escape they can cause a hell lot of destruction.
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Describe what is meant by the half life of a radioactive substance? Radioactive decay is the process in which an unstable atomic nucleus spontaneously loses energy by emitting ionizing particles and radiation. This decay, or loss of energy, results in an atom of one type, called the parent nuclide transforming to an atom of a different type, called the daughter nuclide.
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- Figure 9 illustrates the type of decay nuclides in different regions of the chart will typically undergo. Nuclides that are below and to the right of the line of stability will usually undergo decay. Nuclides that are above and to the left of the line of stability will usually undergo either decay or electron capture.
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- Decay Products of Uranium. Uranium atoms decay into other atoms, or radionuclides, that are also radioactive and commonly called decay products.. Uranium and its decay products primarily emit alpha radiation, however, lower levels of both beta and gamma radiation are also emitted.
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Nuclear Decay Hence, in nuclear decay, the parent radionuclide decay or lose energy in the form of radiation, results in the formation of different nucleus containing different numbers of nucleons which are called as daughter nuclide.
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- Radioactive decay (also known as nuclear decay or radioactivity) is the process by which the nucleus of an unstable atom loses energy by emitting radiation, including alpha particles, beta particles, gamma rays, and conversion electrons. A material that spontaneously emits such radiation is considered radioactive.
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What is a radioactive isotope? A radioactive isotope is a form of an element that is unstable and eventually decays into a different element. For example, most Carbon has 6 protons and 6 neutrons, and is st … able. radioactive isotope is a form of an element that is unstable and eventually decays into a different element. For example, most Carbon has 6 protons and 6 neutrons, and is st … able.
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Neutron The atomic number defines the chemical properties of the atom, and the neutron number determines the isotope or nuclide. The terms isotope and nuclide are often used synonymously, but they refer to chemical and nuclear properties, respectively. The atomic mass number, symbol A, equals Z+N.his radioactive decay, known as beta decay, is possible since the mass of the neutron is slightly greater than the proton. The free proton is stable. Neutrons or protons bound in a nucleus can be stable or unstable, however, depending on the nuclide.
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- Every food has some small amount of radioactivity in it. The common radionuclides in food are potassium 40 (40K), radium 226 (226Ra) and uranium 238 (238U) and the associated progeny. Here is a table of some of the common foods and their levels of 40K and 226Ra.
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nuclide definition : nuclide A nuclide (from nucleus) is an atomic species characterized by the specific constitution of its nucleus, i.e., by its number of protons Z, its number of neutrons N, and its nuclear energy state. The word nuclide was proposed by Truman P. Kohman in 1947. Kohman originally suggested nuclide as referring to a species of nucleus defined by containing a certain number of neutrons and protons. The word thus was originally intended to focus on the nucleus.
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radioactive isotope radioactive isotope. radioactive isotope or radioisotope, natural or artificially created isotope of a chemical element having an unstable nucleus that decays, emitting alpha, beta, or gamma rays until stability is reached.he stable end product is a nonradioactive isotope of another element, i.e., radium-226 decays finally to lead-206. Very careful measurements show that many materials contain traces of radioactive isotopes.
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- Radioactive nuclides tend to decay in a way that results in a daughter nuclide that lies closer to the line of stability. Due to this, it is possible to predict the type of decay that a nuclide will undergo based on its location relative to the line of stability on the Chart of the Nuclides. Figure 9 illustrates the type of decay nuclides in different regions of the chart will typically undergo.
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- Mehndi is the local variant of henna designs in the Indian sub-continent. Indian, Bangladeshi, Pakistani and Sri Lankan women use mehndi for festive occasions, such as weddings, religious events and traditional ceremonies. henna or mehendi applier at work in Rishikesh, India. Mehndi or henna is a paste that is bought in a cone-shaped tube and is made into designs for men and women. Mehndi is derived from the Sanskrit word mendhikā. The use of mehndi and turmeric is described in the earliest Hindu Vedic ritual books.
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radioisotope a radioactive form of an element, consisting of atoms with unstable nuclei, which undergo radioactive decay to stable forms, emitting characteristic alpha, beta, or gamma radiation. These may occur naturally, as in the cases of radium and uranium, or may be created artificially.
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nuclide Numbers are not exact, and may change slightly in the future, as stable nuclides are observed to be radioactive with very long half-lives. This is a summary table for the 905 nuclides with half-lives longer than one hour (including those that are stable), given in list of nuclides.