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The beta emissions are able to penetrate about one centimeter tissue, causing damage to the skin but not to the internal organs unless they are swallowed or breaths. A beta particle deviates to the positive side of the electric field. This fact proves that the beta radiation has a negative charge. In reality, the particles electrons are emitted by the nucleus when a neutron disintegrates unstable turning into a proton. Besides the proton and the beta particle, gamma rays are also generated and a neutrino (particle without charge and negligible mass). Second Law of Radioactivity or Law of Soddy-Fajans: When a radioisotope emits a beta particle, its atomic number increases by one unit and its mass number does not change. ACTIVITY Look in books, magazines, newspapers and websites information to respond to control the production, use and disposal of radioactive materials. And now that you've got all this information, now able to answer the question: radiation is "An evil, a necessary ... A well, a necessary evil?
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U beta emisije su u stanju probiti oko jedan centimetar tkiva, što uzrokuje oštećenja na koži, ali ne i unutarnjih organa, osim ako su se proguta ili diše. Beta čestica odstupa na pozitivne strane električnog polja. Ta činjenica dokazuje da je beta zračenje ima negativan naboj. U stvarnosti, čestice elektroni emitiraju jezgre kad neutron raspada nestabilnu pretvara u proton. Osim protona i beta čestica, gama zrake također se generiraju i neutrino (čestica bez naboja i zanemarive mase). Drugi zakon radioaktivnosti ili zakonu Soddy-Fajans: Kad radioizotopa emitira beta čestica, njegovi atomski broj poveća za jednu jedinicu i masovne broj ne mijenja. AKTIVNOST Pogledajte u knjigama, časopisima, novinama i web stranice podatke kako bi odgovorili kontrolu proizvodnje, uporabe i zbrinjavanja radioaktivnog materijala. A sada da ste dobili sve ove informacije, sada u mogućnosti odgovoriti na pitanje: zračenje je "zlo, potrebno ... Dobro, nužno zlo? materije i njezine prirode