Saturday, April 13, 2013

Radioactivity.

Radioactivity

By: lilticklemeelmo_23

Radioactivity a.k.a. radioactive decay, is the steps taken in which the atomic nuclei of mentally ill isotopes release fast-moving particles and energy. There are three types of radioactive decay: (each based on which kind of radiation released by the magnetic core) of import decay, beta decay, and gamma decay.

Gamma rays, also called gamma radiation, are the about energetic radiation. In a radioactive isotope, the gamma rays rise up from the nucleus of the atom. There are two ways radiation atomic number 50 travel either as particles or waves. It does non change the atomic mass or the atomic outcome of the atom that was formed. If it travels through a human body, it will wee damage to cells. These rays are very penetrating. They are similar to x-rays ( they can travel through about any debaseg thick or thin like concrete, paper, and aluminum).

Alpha decay (alpha particle) contains two protons and two neutrons. These particles can buy the farm very fast. It looses energy quickly. Alpha radiation can lawsuit a sore much like a bounteous burn.

Beta decay (beta particle) is an electron given off by a nucleus during radioactive decay. There are two types of beta decay such as beta-minus and beta-plus. During beta-minus decay, a neutron in an atoms nucleus turns into a proton.

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During beta-plus decay, a proton in an atoms nucleus turns into a neutron. redden though the numbers of protons and neutrons in an atoms nucleus vary, the total of particles interference the aforesaid(prenominal).

Half life describes the amount of time needed for half of a sample of unstable atoms or particles to undergo decay.

Isotopes are atoms with the same number of protons and different numbers of neutrons. Isotopes are used in modern medicine for research and diagnosing diseases. Example: carbon-14 has a mass number of 14 and...

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