CHAPTER 24 Nuclear Energy

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Presentation transcript:

CHAPTER 24 Nuclear Energy II. Nuclear Reactions (p.689-691)

A. Types of Radiation 2+ 1- Alpha () helium nucleus Beta-minus (-) paper 2+ Beta-minus (-) electron lead 1- Gamma () high-energy photon concrete

B. Nuclear Decay TRANSMUTATION Alpha Emission Beta Emission

C. F ission splitting a nucleus into two or more smaller nuclei some mass is converted to large amounts of energy

C. F ission chain reaction - self-feeding reaction

D. Fusion combining of two nuclei to form one nucleus of larger mass produces even more energy than fission occurs naturally in stars

E. Law of Conservation Of Mass ALL NUCLEAR EQUATIONS MUST FOLLOW THE LAW OF CONSERVATION OF MASS. The masses on the reactants must equal the masses on the products.