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Go over Tests Notes on Nuclear Nuclear Video HW: Final Review due Monday

Agenda. AQOD. Go over Tests Notes on Nuclear Nuclear Video HW: Final Review due Monday. What is a nuclear reaction?. Nuclear Chemistry. What particles are involved in a Chemical Reaction ?. Valence Electrons. What particles are involved in a nuclear reaction?.

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Go over Tests Notes on Nuclear Nuclear Video HW: Final Review due Monday

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  1. Agenda AQOD • Go over Tests • Notes on Nuclear • Nuclear Video • HW: Final Review due Monday • What is a nuclear reaction?

  2. Nuclear Chemistry

  3. What particles are involved in a Chemical Reaction? Valence Electrons

  4. What particles are involved in a nuclear reaction? • Particles from the nucleus • aka – nuclear radiation

  5. How is a Nuclear Reaction different from a Chemical Reaction? • Chemical reactions involve transferring or sharing electrons.

  6. How is a Nuclear Reaction different from a Chemical Reaction? • Nuclear reactions involve changes in the nucleus of an atom.

  7. What is Nuclear Radiation? • Particles & energy emitted from the nucleus of a radioactive element.

  8. What is an isotope? • A form of an element with a different number of neutrons • Many elements have radioactive isotopes

  9. 3 Types of Radiation • Alpha radiation • Consists of (alpha particles) that have been emitted from a radioactive source. • Each alpha particle has 2 protons and 2 neutrons

  10. Alpha particle emission

  11. 3 Types of Radiation • Alpha radiation (cont.) • Easily stopped by paper or your skin

  12. 3 Types of Radiation • Beta radiation • Consists of fast moving electrons (beta particles)

  13. Beta particle emission

  14. 3 Types of Radiation • Beta radiation (cont.) • Stopped by aluminum foil or thin pieces of wood.

  15. 3 Types of Radiation • Gamma Radiation • Consists of high energy electromagnetic radiation with no mass or charge

  16. 3 Types of Radiation • Gamma Radiation (cont.) • Both easily pass through paper, wood, and the human body. • Can be stopped by several meters of concrete or several centimeters of lead.

  17. Summary of Nuclear Radiation

  18. Penetrating Power

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