PPT-Lecture 2.2 Atomic Models

We now have much evidence that an atom is made of a nucleus and electrons orbiting around the nucleus What did people think before Even back in the days of Plato and Aristotle people were debating whether or not matter could be cut in half indefinitely. PHY 752 Spring 2015 -- Lecture 31. 1. PHY 752 Solid State Physics. 11-11:50 AM MWF Olin 107. Plan for Lecture 31:. X-ray and neutron diffraction in solids (some material contained in Chap. 3 of . Marder’s. Jelle Kaastra. with. . Ton . Raassen. , . Liyi. . Gu. , . Junjie. Mao, . Igone. . Urdampilleta. , . Missagh. . Mehdipour. SRON & Leiden University. Introduction. X-ray emitting plasmas everywhere:. Democritus. This is the Greek philosopher Democritus who began the search . for a description of matter more than 2400 years ago. He asked:. Could matter be divided into smaller and smaller pieces . Announcements. 1. st. HW posted by tonight, due next Friday at . 4pm. .. Discussion section starts next week, W 4-5, Packard 364. TA OHs start next . week (Wed 5-6pm, Fri 10-11am (Milind), Thu . 4-5pm . Announcements. Second Homework Set – (additional problem – slight error in first 2.1.1 key posted; since fixed). Today’s Lecture. Atomic Spectroscopy (Chapter 20). Theory (Boltzmann Distribution Problem). The Molecular Nature of Matter and Change. Seventh Edition. Martin S. Silberberg and Patricia . G. Amateis. Copyright .  . McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.. Matter describes anything that has . mass. and . volume. Can matter be invisible? . YES. Ex. . Air. Matter and Atoms. History of atoms. Democritus. Was a . Greek. philosopher in . 400 BC. Thought the universe was made of . Announcements. 1. st. HW posted, due next Friday at 4pm.. Discussion section and TA OHs starts next week. Will finalize makeup lecture schedule today. Review of Last Lecture. TX and RX Signal Models. Jelle Kaastra. with. . Ton . Raassen. , . Liyi. . Gu. , . Junjie. Mao, . Igone. . Urdampilleta. , . Missagh. . Mehdipour. SRON & Leiden University. Introduction. X-ray emitting plasmas everywhere:. Frank Wood fwoodstatcolumbiaeduLinear Regression Models Lecture 3 Slide 2Least Squares MaxminimizationFunction to minimize wrt Minimize this by maximizing QFind partials and set both equal to zero go 7. Analysing the data from the experiment. Analysing the data from the experiment. If you have organised the experimental software well, then the data will be in one or more Excel data files (or something similar).. By . Dr. . Sarab. . Alazawi. Atomic structure. The atom is the smallest part of matter that represents a particular element.. There . are three major atomic (or subatomic) particles: Protons, Neutrons and Electrons. Table below summarizes the characteristics of these three subatomic particles. The masses of the subatomic particles are listed in two ways, grams and . Announcements. Second Homework Set – . due today (additional problems); key will be posted soon. Quiz . T. oday. Today’s Lecture. Spectroscopic Instrumentation (Chapter 19. ). Light Detectors. Transducers. Introduction . Pharmaceutical Chemistry: . is a branch of chemistry that deals with the chemical, biochemical and pharmacological aspects of drugs.. Inorganic chemistry: . is the study of all the elements and their compounds except carbon and its compounds..