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describe the radiation hazard symbol and explain where it should be used. tell why and how people must use radiation or radioactive materials carefully. do the following: tell the meaning of the following: atom, nucleus, proton, neutron, electron, quark, isotope; alpha particle, beta particle, gamma ray
, x-ray; ionization, radioactivity, and radioisotope. a glossary can be found here . choose an element from the periodic table. construct -d models for the atoms of three isotopes of this element, showing neutrons, protons, and electrons. use the three models to explain the difference between atomic...
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