Roger A. Freedman • William J. Kaufmann III Universe Eighth Edition CHAPTER 23 Our Galaxy The Shape and Size of the Galaxy: Our Galaxy has a disk about 50 kpc (160,000 ly ) in diameter and about 600 pc (2000 ly ) thick, with a high concentration of interstellar dust and gas in the disk.
By GabrielChapter 24 Black Holes “Black Holes are out of sight!” Black Holes Created when core of star is greater than about 5 M Called “black” because gravity is so strong that even light can not escape. The idea of a black hole is a very strange one.
By nivedithaThe Nature of Matter Chapter 2 Section 1 Atoms All matter is made up of atoms. Atoms are the smallest units of matter. Atoms consist of two regions: Nucleus Electron Cloud Subatomic Particles There are 3 subatomic particles: Protons ( positive charge) Neutrons ( neutral charge)
By HarrisCezarMonday , January 10, 2011. The Cosmic Foundations of the Origin of Life. Definition of the Universe. the huge space which contains all of the matter and energy in existence everything - not just everything you see, but everything that ever was, is, or will be
By oshinChapter 4. Atomic Structure. Objectives. Be able to define an atom Distinguish between a molecule and a compound. Atoms. Definition - the smallest particle that has the properties of an element , basic unit of matter - surprising the number of atoms is small
By nivedithaHistory of Atom Flip Book. The atom Picture, parts including charge and location Chadwick Discovered the… Rutherford Gold Foil Experiment JJ Thomson Cathode Ray Tube Millikan Oil Drop experiment Dalton Dalton’s Atomic Theory Democritus His 5 ideas Aristotle
By adamdanielThe Atomic Theory of Matter. By Shaffer Lisle. The First Theories. John Dalton’s proposed theories: Each element is composed of particles called atoms. All atoms in an element have identical mass and other properties. Atoms of one element are different from that of another element.
By eddaChapter 4 Review “Atomic Structure”. Pre-AP Chemistry Charles Page High School Stephen L. Cotton. Chapter 4 Review. All atoms of the same element have the same _____. Know Dalton’s Atomic Theory.
By daiElectric charge Conservation of charge Insulators & conductors Charging objects Electroscopes Lightning. Van de Graff generators Equilibrium problems Grounding Static electricity Coulomb’s law Systems of charges. Electrostatics. Electric Charge.
By juanitaChapter 2. CHEMISTRY OF LIVING THINGS. CHEMISTRY. Defined as the study of the structure of matter and the composition of substances, their properties, and their chemical reactions Biochemistry is the study of chemical reactions of living things. MATTER AND ENERGY.
By cameoChemistry 102A. Dr. Christine Yerkes 207 Chem Annex 333-6353 cyerkes@illinois.edu Mon. and Wed. 11:00 - 12:00 Tues. and Thurs.2:00 - 3:00 or by appointment. Required Texts:. Chemistry, 8th ed., Zumdahl. Quiz sections begin: Wed., Aug. 24. Grading Policy:.
By kataNuclear Chemistry. Chapter 23. Radioactivity . Emission of subatomic particles or high-energy electromagnetic radiation by nuclei Such atoms/isotopes said to be radioactive. Its discovery. Discovered in 1896 by Becquerel Called strange, new emission uranic rays
By tienThe Structure of the Atom. Chapter 3 Section 2. Introduction Terms. _________ : the smallest particle of an element that retains the chemical properties of that element
By iokinaCh 3. Elements, Compounds and Chemical Reactions. Brady & Senese, 5 th Ed. Index. 2.1. Elements and atoms are described by Dalton’s atomic theory 2.2 Atoms are composed of subatomic particles 2.3. The periodic table is used to organize and correlate facts
By rowdySubatomic Particles. 1. Subatomic Particles. Special notes on subatomic particles. In a neutral atom # of protons=#of electrons. Atoms are electrically neutral. If the number of protons does not equal the number of electrons you have a charged atom known as an ion.
By abbyElectric Fields and Forces. AP Physics C. Electric Charge. “ Charge ” is a property of subatomic particles. Facts about charge : There are basically 2 types: positive (protons) and negative (electrons) LIKE charges REPEL and OPPOSITE charges ATTRACT
By eveDalton described the atomic nature of matter – is that the end of the story?. Objectives. To learn more about how the understanding of atomic structure developed To learn about the internal parts of an atom To understand Rutherford’s experiment
By goroChapter 4: Atomic Structure. 4.1 Defining the Atom. 4.1. Connecting to Your World.
By ostinmannualLecture Outlines Chapter 20 Environment: The Science behind the Stories 4th Edition Withgott/Brennan. This lecture will help you understand:. Reasons for seeking alternative fuels Contributions to world energy by alternative fuels Nuclear energy The social debate over nuclear power
By jensThe Human Condition. The Three Universal Truths / Three Marks of Conditioned Existence. 1 st Mark: Anicca (Impermanence). The first key concept you need to know is ‘ Anicca ’ The word literally means ‘ impermanence ’ It is the First Mark of Existence / Universal Truth
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