PPT-Chapter 24 Nuclear Chemistry

241 Nuclear Radiation 242 Radioactive Decay includes decay rates amp radiochemical dating 243 Nuclear Reactions Transmutation Part only 244 Applications amp Effects of Nuclear Reactions except for radiation dose and intensitydistance. Today only a small fraction of the energy in nuclear fuel is used. The spent fuel also has to be stored for about 100 000 years to be considered safe. The extremely long storage time is mainly due to the high radiotoxicity of the actinides. If, however, these long lived actinides could be separated from the spent fuel and transmuted, the energy efficiency would increase. In . Atoms. Radioactivity. Half-Life. Atoms. An atom is the smallest particle of an element that has all of the properties of that element.. Composition of the Atom. Nucleus. Positively charged. Very Dense – most of the mass of the atom is found in the nucleus. Chapter 25. Marie Curie was a Polish scientist whose research led to many discoveries about radiation and radioactive elements. In 1934 she died from leukemia caused by her long-term exposure to radiation. You will learn about the various types of radiation and their effects.. Is radiation dangerous? . Is nuclear power a good choice?. . What is nuclear energy?. Are nuclear energy and nuclear bombs both dangerous? . Guiding Questions. The Power of the Nucleus. Bravo – 15,000 kilotons. Chapter . 19. Copyright © The McGraw-Hill Companies, Inc.  Permission required for reproduction or display.. 2. Chemical Processes vs. . Nuclear Processes. Chemical reactions involve changes in the electronic structure of the atom. ________________ involve changes in atomic nuclei. . Spontaneously-changing nuclei emit ________ and. are said to be _________. . Chemical reactions. Nuclear reactions. radiation. radioactive. energy and/or particles. Nuclear chemistry is the study of the structure of and the they undergo.. atomi. c nuclei. changes. Chemical vs. Nuclear Reactions. Unit 11: Nuclear Chemistry Topic 1: Natural Radioactivity Objective: Identify the 4 modes of decay, use Table N and O to identify natural radioactive decay and write nuclear equations, identify the similarities and differences between physical, chemical, and nuclear reactions, identify what transmutation is Nuclear Chemistry Generation IV Fuel manufacturing Separation Fuel/coolant/ cladding interactions Accidents Iodine chemistry Ruthenium chemistry FP interactions with molten salt Gen II III Used fuel leaching Section 21.1 Types of Radioactivity. Objectives: Analyze Common Sources of Background Radiation, Compare and Contrast Alpha, Beta and Gamma Radiation, Apply the concept of Half-Life of a Radioactive Element. 24.1 Nuclear Radiation. 24.2 Radioactive Decay (includes decay rates & radiochemical dating). 24.3 Nuclear Reactions (Transmutation. Part only). 24.4 Applications & Effects of Nuclear Reactions (except for radiation dose and intensity/distance). Department of Chemistry, GC Paonta Sahib. Importance of Chemistry in Society. Department of Chemistry, GC Paonta Sahib. Energy from natural resources . Renewable Energy is derived from natural processes that are replenished constantly.. A naturally . radioactive element . will . emit . energy without the absorption of energy from an outside source. . The nucleus of an element becomes radioactive because of an unstable ratio of protons to neutrons in the nucleus.. Standards Addressed in this Chapter. SPS3. Students will distinguish the characteristics and components of radioactivity.. Differentiate among alpha and beta particles and gamma radiation.. Differentiate between fission and fusion..