Introduction to Nuclear Chemistry

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Presentation Description

This presentation discusses the discovery or radioactivity, the three main types of radiation, and sources of radiation

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Presentation Transcript

Discovery of Radioactivity:

Discovery of Radioactivity Henri Becquerel (Fr.; 1896) Uranium exposed sealed photographic film Radioactivity the phenomenon of rays being produced spontaneously by unstable atomic nuclei

Types of Radiation:

Types of Radiation Alpha + charged particle (Helium nucleus) Beta - charged particle (electron) Gamma High-energy electromagnetic waves

Where does radiation come from?:

Where does radiation come from? Naturally radioactive elements Unstable nuclei Spontaneously decay Synthetic elements Transmutation – combining two elements to form one larger element

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