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Atomic energy!

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Lily B

on 16 January 2013

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Transcript of Atomic energy!

Gamma Decay Nuclear Radiation are high-energy particles and rays emitted by the nuclei of some atoms. Nuclear radiation can be both extremely beneficial and extremely dangerous. It just depends on how you use it. X-ray machines, some types of sterilization equipment and nuclear power plants all use nuclear radiation -- but so do nuclear weapons. Nuclear Radiation Radioactivity is the ability of some elements to give off nuclear radiation Radioactivity Mass Number The mass number is the sum of protons and neutrons in an atom.The mass number is different for each different isotope of a chemical element Isotopes Isotopes are atoms that have the same number of protons but different numbers of nuetrons Gamma decay is the releasing of gamma rays from a nucleus.Gamma rays are very penetrating; they can be most efficiently absorbed by a relatively thick layer of high-density material such as lead. Created by: Lily Babbie
Block: 1 Atomic Energy(: Radioactive Decay Radioactive decay is the process in which the nucleus of a radioactive atom releases nuclear radiation Alpha Decay Alpha decay us the releasing of an alpha particle from a nucleus. The particles consist of two protons and two nuetrons, so it has a mass number of 4 and a charge of 2+.The process of transforming one element to another is known as transmutation. Alpha particles do not travel far in air before being absorbed; this makes them very safe for use in smoke detectors, a common household item. Beta Decay Beta decay is the relasing of a beta particle from a nucleus.In terms of safety, beta particles are much more penetrating than alpha particles, but much less than gamma particles. THE END!
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