CHAPTER 22 Nuclear Chemistry

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Presentation transcript:

CHAPTER 22 Nuclear Chemistry I. The Nucleus (p. 701 - 704) II III IV C. Johannesson

A. Mass Defect Difference between the mass of an atom and the mass of its individual particles. 4.00260 amu 4.03298 amu C. Johannesson

B. Nuclear Binding Energy Energy released when a nucleus is formed from nucleons. High binding energy = stable nucleus. E = mc2 E: energy (J) m: mass defect (kg) c: speed of light (3.00×108 m/s) C. Johannesson

B. Nuclear Binding Energy Unstable nuclides are radioactive and undergo radioactive decay. C. Johannesson