Uses of radiation in radioactive dating
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Carbon has a large number of stable isotopes. All carbon atoms contain six protons and six electrons, but the different isotopes have different numbers of neutrons. The amount of carbon in the atmosphere has not changed in thousands of years. Even though it decays into nitrogen, new carbon is always being formed when cosmic rays hit atoms high in the atmosphere.
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Uses of Radioactivity
Learn something new every day More Info Radioactivity is the process whereby unstable atomic nuclei release energetic subatomic particles or electromagnetic radiation EMR. Radioactivity has a wide range of uses, including nuclear power, in medicine, and in dating organic and geological samples. It is also potentially dangerous, as high-energy particles and radiation can damage and kill cells, and alter DNA , causing cancer.
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Three Types of Radiation: The Properties and Uses of Alpha, Beta, and Gamma Radiation
When atoms decay, they emit three types of radiation, alpha, beta and gamma. The alpha and beta radiation consist of actual matter that shoots off the atom, while gamma rays are electromagnetic waves. All three kinds of radiation are potentially hazardous to living tissue, but some more than others, as will be explained later on.
After reading this section you will be able to do the following:. Radioactive sources are used to study living organisms, to diagnose and treat diseases, to sterilize medical instruments and food, to produce energy for heat and electric power, and to monitor various steps in all types of industrial processes. Tracers are a common application of radioisotopes. A tracer is a radioactive element whose pathway through which a chemical reaction can be followed. Tracers are commonly used in the medical field and in the study of plants and animals.