This type of decay is called β- (beta minus) decay. A link is provided to a related question with a descriptive answer that details the process.
Radioactivity is a term that refers to the emissions from atomic nuclei due to changes in those nuclei. Those changes will occur as a result of instability of isotopes of certain elements. These atoms have a nuclear structure that is inherently unstable for whatever reason. And any unstable nucleus will eventually decay in a manner characteristic of that particular atom (radioisotope). We term the activity associated with the natural changes due to nuclear instability radioactive decay. As you can guess, different things might appear as an expression of the radioactivity of a radioisotope, and they'll vary according to the radioisotope being inspected.We could say that the elements on the upper end of the periodic table are radioactive, and these elements, the ones beginning with bismuth, have no nuclear configurations that permit them to avoid instability and their eventual radioactive decay. Additionally, we know that there are isotopes of other elements (lighter ones) that are not stable, and these radioisotopes are radioactive and will decay in time. Lastly, there are the elements technetium and promethium, which are the only elements with atomic numbers below that of bismuth that have no stable isotopes.The emissions we might gather under the umbrella of radioactivity include both particulate radiation and radiation in the form of energy, or electromagnetic radiation. Your investigation of the instabilities associated with atomic structure and what it is that results is just beginning. Use the links below to check facts and learn more.
... an unstable isotope to a more stable isotope by emission of some type of radiation (alpha, beta, or gamma).
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Nuclear waste has three different types: alpha, beta and gamma. Alpha (helium nucleus) and beta (electron or positron) are subatomic particles, meaning they are pieces of atoms. Gamma is an energy wave. Gamma is the most dangerous type of radioactive waste, although all nuclear waste is potentially hazardous. When a nuclear reaction happens, pieces of atoms fly off and release the energy that held them together, producing gamma radiation as well as the energy we convert into electricity at nuclear power plants. Because nuclear waste is made up of "broken" atoms, it will require a nuclear reaction to get rid of them, essentially putting the atoms back together and reabsorbing the gamma radiation. Unfortunately, chemicals alone are not strong enough to get rid of nuclear waste. Chemicals, or rather radioactive metals, combined with a powerful "reverse" nuclear reactor may work. Scientists have been working on a solution for a few years now. Check out this article: (See related Link)
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Nuclear weapons emit nuclear radiation, with gamma radiation being the most common and dangerous.
A safe reactor don't emit a significant or dangerous quantity of any radiation. But in the core of the reactor all the types of nuclear radiations are emitted.
Gamma rays are a type of radiation. Nuclear medicine techniques work through the detection of this kind of radiation injected into the body by adding a radioisotope to a certain drug.
Bananas emmit Nuclear radiation, this is because of there high amounts of potassium. The specific isotope that causes the most radiation is Potassium-40.
Yes
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X-rays are not a type of nuclear radiation. They are a type of electromagnetic radiation.
A radio chemical hazard is a hazard where the chemicals involved emit radiation. This type of hazard is more common when dealing with fuel rods used in nuclear reactors.
A Geiger counter, also called a Geiger-Müller counter, is a type of particle detector that measures ionizing radiation. They are notable for being used to detect if objects emit nuclear radiation.
Cell phones do emit a type of non-ionizing radiation.
Like the planets, comets emit no visible light of their own-they shine by reflected (or reemitted) sunlight.