'Marie sklodowska curie' diaporamas de présentation

Models of caregiving in nuclear accidents. Enrico M. Staderini

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11.1 Nuclear Reactions

11.1 Nuclear Reactions. An atom is characterized by its atomic number, Z , and its mass number, A . The mass number gives the total number of nucleons , a general term for both protons (p) and neutrons (n).

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HORIZON 2020

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Radium

Radium. By: Arvin Chen G9 Pearl. About Radium. Radium is a chemical element with an atomic number of 88. Radium is an almost pure-white metal from Earth that is an alkaline, but it easily oxidizes on exposure to air, becoming black in color.

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