Chapter 19
Radioactivity and Nuclear Chemistry
![Radioactivity and Nuclear Equations](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11443.jpg)
Nuclear chemistry is the study of reactions that involve changes in nuclear structure. The nucleus of an atom is composed of protons and, except for…
![Types of Radioactivity](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11444.jpg)
The most common types of radioactivity are α decay, β decay, γ decay, neutron emission, and electron capture.
Alpha (α) decay is…
![Nuclear Binding Energy](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11446.jpg)
The difference between the calculated and experimentally measured masses is known as the mass defect of the atom. In the case of helium-4, the mass…
![Radioactive Decay and Radiometric Dating](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11447.jpg)
Radioactivity is a spontaneous disintegration of an unstable nuclide and is a random process, as all the nuclei in the sample do not decay…
![Nuclear Power](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11449.jpg)
Controlled nuclear fission reactions are used to generate electricity. Any nuclear reactor that produces power via the fission of uranium or…
![Nuclear Fusion](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11450.jpg)
The process of converting very light nuclei into heavier nuclei is also accompanied by the conversion of mass into large amounts of energy, a process…
![Metabolic Labeling of Leucine Rich Repeat Kinases 1 and 2 with Radioactive Phosphate](https://cloudfront.jove.com/files/thumbs/50523_t.png)
Leucine rich repeat kinases 1 and 2 (LRRK1 and LRRK2) are paralogs which share a similar domain organization, including a serine-threonine kinase…
![Separation of Uranium and Thorium for <sup>230</sup>Th-U Dating of Submarine Hydrothermal Sulfides](https://cloudfront.jove.com/files/thumbs/59098_t.png)
The age of a submarine hydrothermal sulfide is a significant index for estimating the size of hydrothermal ore deposits. Uranium and thorium isotopes…
![Laser-heating and Radiance Spectrometry for the Study of Nuclear Materials in Conditions Simulating a Nuclear Power Plant Accident](https://cloudfront.jove.com/files/thumbs/54807_t.png)
Laser-heating and Radiance Spectrometry for the Study of Nuclear Materials in Conditions Simulating a Nuclear Power Plant Accident
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Major and severe accidents have occurred three times in nuclear power plants (NPPs), at Three Mile Island (USA, 1979), Chernobyl (former USSR, 1986)…