PPT-Discovery of the Nucleus: Protons and Neutrons

Ernest Rutherford Determined the structure of the atom First to split the atom Hans Geiger Inventor of the Geiger counter to measure radiation Ernest Marsden Found that a few scattered alphas at angle over 140 degrees from the beam. Ernest Rutherford. Determined the structure of the atom. First to split the atom. Hans Geiger . Inventor of the Geiger counter to measure radiation. Ernest Marsden. Found that a few scattered alphas at angle over 140 degrees from the beam. Chemistry. Ms. Pollock. 2013 - 2014. Introduction. Dalton’s atomic theory very good but not entirely correct. Atoms able to be broken into smaller particles. Electrons, Protons, and Neutrons. Electrons. On your bell work . sheet, answer the following.. When . are zeros significant? . . When . do you use the fewest number of Significant Figures?. Objectives. The Structure of the Atom. Properties of Subatomic Particles. Nuclear Physics. L-35 Nuclear structure. what’s inside the nucleus. what holds it together. isotopes. radioactivity. half-life. L-36 Nuclear energy. nuclear fission. nuclear fusion. nuclear reactors. 1. FINAL EXAM. : Wednesday December 17, 12:30 P - 2:30 P in LR-1 VAN . FE. covers . Lectures 23 – 36. The study guide, formulas, and practice final exam questions are posted on the Exam Information Link below.. 1. FINAL EXAM. : Wednesday December 17, 12:30 P - 2:30 P in LR-1 VAN . FE. covers . Lectures 23 – 36. The study guide, formulas, and practice final exam questions are posted on the Exam Information Link below.. Click to Explore . RadTown. . USA. Fundamentals of. Ionizing Radiation. The Alpha, Beta, Gammas of . Nuclear Education. . March 15. th. , 2015. Debra N Thrall, PhD. Executive Director. Radiation Fundamentals. Atoms and Isotopes. What you need to know about Atoms . and Isotopes:. Matter. Molecules. Elements. Chemical reaction. Periodic Table. The Atom. Parts of an atom. Isotopes. Unstable isotopes. Scientists and discoveries. Atoms and Isotopes. What you need to know about Atoms . and Isotopes:. Matter. Molecules. Elements. Chemical reaction. Periodic Table. The Atom. Parts of an atom. Isotopes. Unstable isotopes. Scientists and discoveries. When sedimentary rock is deposited in layers it is deposited horizontally.. Scientists use this “Principle of Original Horizontality” to help them determine the age of the layers.. The older layers of rock are found below the younger layers of rock.. Quiz. Nuclear Physics Topics. Nuclear/Radioactive Decay. Nuclear Spin. Fission and Fusion. 1. What is this ?. Ans. : Magnet levitating above a high-. Tc. . superconductor. . This is the “. Meissner. L-35 Nuclear structure. what’s inside the nucleus. what holds it together. isotopes. radioactivity. half-life. L-36 Nuclear energy. nuclear fission. nuclear fusion. nuclear reactors. nuclear weapons. Rutherford. uncovered the first nuclear building block.. A . beam of alpha particles scattered off nitrogen gas.. A . new particle emerged that was positively charged like the alpha particles, but behaved more like the hydrogen nuclei previously observed in other experiments.. What’s Inside an Atom?. An atom is made up of a team of three players:. . protons, neutrons, and electrons. . They each have a. . charge, mass, and a location. Protons + Neutrons . collectively called nucleons.