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Unit 1: "Atomic Structure"

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288810148Atomosgreek word for atom- means not able to be divided
288810149Democtritusdiscovered the atom. he stated that atoms are "indivisble"
288810150Atom(physics and chemistry) the smallest component of an element having the chemical properties of the element
288810151Dalton's Atomic Theory1) elements are composed of atoms. 2) atoms of same element are identical, but differ from other elements. 3) elements can mix together 4) atoms only change when mixed with other elements
288810152J J ThomsonDiscovered the electron
288810153Plum Pudding Model of the Atomatoms are balls of positively charged material with negative electrons scattered throught
288810154Electronan elementary particle with negative charge
288810155Cathode-ray tubeevacuated glass tube in which a stream of electrons emitted by a cathode strikes a fluorescent material, causing it to glow
288810156Ernest RutherfordBritish physicist (born in New Zealand) who discovered the atomic nucleus and proposed a nuclear model of the atom (1871-1937)
288810157Gold Foil experimentexperiment involving shooting alpha particles at gold foil and observing them going through and bouncing off determining that the nucleus of an atom has a positive charge.
288810158Nuclear Model of the atomcreated by Ernest Rutherford. Replaced the Plum Pudding Model. Atom is like a miniature solar system with the positive particles in the middle and the negative particles orbiting as the planets do around the center.
288810159Protona stable particle with positive charge equal to the negative charge of an electron
288810160Nucleusa part of the cell containing DNA and RNA and responsible for growth and reproduction
288810161James ChadwickDiscovered the neutron
288810162Neutronan elementary particle with 0 charge and mass about equal to a proton
288810163Electromagnetic forcethe attraction or repulsion between charged particles. electromagnetic force holds negatively charged electrons to the positively charged nuclei of atoms.
288810164Strong Nuclear Forcea powerful force of attraction that acts only on the neutrons and protons in the nucleus, holding them together
288810165N. Bohrprovided the modern concept of the atomic model (1940)
288810166Bright line spectradistinct lines of color given off by an element when viewed through a spectroscope
288810167Bohr Modelmodel of the atom in which electrons move rapidly around the nucleus in paths called orbits
288810168Picometera metric unit of length equal to one trillionth of a meter
288810169Atomic Number (Z)the number of protons in the nucleus of an atom
288810170Mass Number (A)the sum of the number of neutrons and protons in an atomic nucleus
288810171Isotopeone of two or more atoms with the same atomic number but with different numbers of neutrons
288810172Protiumthe simplest form of hydrogen that contains 1 proton and no neutrons in the nucleus; the nucleus is surrounded by 1 electron
288810173Deuteriuman isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)
288810174Tritiuma radioactive isotope of hydrogen
288810175Relative atomic mass(chemistry) the ratio of the atomic mass of an element to half the atomic mass of carbon-12
288810176Atomic mass unit (amu)a unit of mass equal to one-twelfth the mass of a carbon-12 atom
288810177Average atomic massweighted average of the atomic masses for the isotopes of an element
288810178Molethe molecular weight of a substance expressed in grams
288810179Avogradro's number6.02 x 10 raised to the 23, the number of atoms or molecules in 1 mol (83)
288810180Molar massthe mass of one mole of a pure substance
288810181Scanning Tunneling Microscope (STM)an instrument that generates images of surfaces at the atomic scale
288810182Nucleona constituent (proton or neutron) of an atomic nucleus
288810183NuclideAn atom that is identified by the number of protons and neutrons in its nucleus
288810184Mass Defectthe amount by which the mass of an atomic nucleus is less than the sum of the masses of its constituent particles
288810185Albert Einsteinphysicist born in Germany who formulated the special theory of relativity and the general theory of relativity
288810186E = mc^2Einstein's equation proposing that energy has mass; E is energy, m is mass, and c is the speed of light
288810187Quarkhypothetical truly fundamental particle in mesons and baryons
288810188Murray Gell-MannAmerican physicist. In 1963 he and George Zweig independently postulated the existence of quarks. He was awarded the 1969 Nobel Prize in physics.
288810189Nuclear reaction(physics) a process that alters the energy or structure or composition of atomic nuclei
288810191Marie and Pierre CurieMarie (1867-1934) a polish born physicist, and her husband Pierre discovered that radium constantly emits subatomic particles, which means it doesn't have a constant weight.
288810192Radioactive decaythe spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
293598046Alpha Emissionradioactive decay of a nucleus that is accompanied by emission of alpha particles
293598047Alpha Particlea positively charged atom that is released in the disintegration of radioactive elements and that consists of two protons and two neutrons
293598048Beta Emissionwhen nuclei have too many neutrons relative to protons, it emits a beta particle. it increases the number of protons and decreases the number of nuetrons
293598049Beta Particlea high-speed electron or positron emitted in the decay of a radioactive isotope
293598050Positron EmissionA radioactive decay process in which a proton in the nucleus is converted into a neutron and a positron and then the positron is emitted from the nucleus
293598051Positronan elementary particle with positive charge
293598052Electron Capturethe process in which an inner orbital electron is captured by the nucleus of its own atom
293598053Gamma RaysElectromagnetic waves with the shortest wavelengths and highest frequencies
293598054Half-Lifethe time required for one half of the atoms of a radioisotope to emit radiation an decay products
293598055Particle Acceleratora scientific instrument that increases the kinetic energy of charged particles
293598056Large Hadron Collider (LHC)Gigantic scientific instrument. Particle accelerator. Used to study smallest known particles.
293598057Transuranium Elementselements with atomic numbers greater than 92
293598058RoentgenGerman physicist who discovered x-rays and developed roentgenography (1845-1923)
293598059Rem(Roentgen Equivalent Man) the dosage of ionizing radiation that will cause the same amount of injury to human tissue as 1 roentgen of X-rays
293598060Geiger-countersinstruments that detect radiation by counting electric pulses carries by a gas ionized by radiation
293598061Radioactive Datingmeasurement of the amount of radioactive material (usually carbon 14) that an object contains
293598062Radioactive Tracera radioactive material that is added to a substance so that its distribution can be detected later
293598063Nuclear Fissiona nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy
293598064Nuclear Fusiona nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy
293598065Manhattan Projectcode name for the secret United States project set up in 1942 to develop atomic bombs for use in World War II
293598067Chain Reactiona series of chemical reactions in which the product of one is a reactant in the next
293598068Trinity, New MexicoPlace where first atomic bomb was tested
293598069Los Alamos National LabsSite of the Manhattan Project HQ. Place of Atomic Bomb's invention.
293598070Robert OppenheimerUnited States physicist who directed the project at Los Alamos that developed the first atomic bomb (1904-1967)
293598071HiroshimaCity in Japan, the first to be destroyed by an atomic bomb, on August 6, 1945. The bombing hastened the end of World War II. (p. 797)
293598072NagasakiJapanese city in which the second atomic bomb was dropped (August 9, 1945).
293598073Critical Massthe minimum mass of fissionable material that can sustain a chain reaction
293598074Chernobylnuclear power plant in Russia that had an explosion in 1986 & released radioactive materials into the air
293598075Three-Mile Island1979 - A mechanical failure and a human error at this power plant in Pennsylvania combined to permit an escape of radiation over a 16 mile radius.
293598076***ushimaWhen the earthquake hit, the nuclear reactors all automatically shutdown. Within seconds after the earthquake started, the control rods had been inserted into the core and the nuclear chain reaction stopped. At this point, the cooling system has to carry away the residual heat, about 7% of the full power heat load under normal operating conditions. The earthquake destroyed the external power supply of the nuclear reactor. This is a challenging accident for a nuclear power plant, and is referred to as a "loss of offsite power." The reactor and its backup systems are designed to handle this type of accident by including backup power systems to keep the coolant pumps working. Furthermore, since the power plant had been shut down, it cannot produce any electricity by itself. For the first hour, the first set of multiple emergency diesel power generators started and provided the electricity that was needed. However, when the tsunami arrived (a very rare and larger than anticipated tsunami) it flooded the diesel generators, causing them to fail. After they failed the reactor operators switched to emergency battery power. The batteries were designed as one of the backup systems to provide power for cooling the core for 8 hours. And they did. After 8 hours, the batteries ran out, and the residual heat could not be carried away any more. At this point the plant operators begin to follow emergency procedures that are in place for a "loss of cooling event."
293598077Uranium-235the type of atoms used for nuclear energy
293598078Plutonium-239a radioactive isotope produced in a breeder reactor and used as a nuclear fuel
293598079Richard FeynmanUnited States physicist who contributed to the theory of the interaction of photons and electrons (1918-1988)

Philosophy

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292161618espritmind
292161619corpsbody
292161620âmesoul
292161621volontéwill
292161622réalitéreality
292161623véritétruth
292161624raisonreason
292161625jugementjudgement
292161626conscienceconscience
292161627autruiothers
292161628éthiqueethics
292161629moralemorals
292161630justicejustice
292161631libertéliberty
292161632tempstime
292161633existenceexistence
292161634mortdead

Mace Culture Chapter 7 Literature and Philosophy

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368384622Les idées politiques et sociales au XIX siècle étaient _______. Les idées liberals se précisent. Ils reprennent la lutte contre l'ordre économique et social, c'est ainsi que naissent les mouvements _____ dont les précurseurs, en France, sont le comte de _____contre la royauté et l'eglise, socialiste et communiste, Saint-Simon, Charles Fourier, et Pierre Proudhon.
368384623Les écrivans sont mélancoliques parce que _____________ Ces sentiments sont devenus de plus en plus forts pendant le XIX siècle et ils ont fini par donner naissance à l'angoisse et au désespoir de la littérature contemporaine.la revolution se sont trouvés désemparés devant un monde bouleversé par les revolutions, les guerres, les troubles politiques et sociaux.
368384624Un important précurseur romantique était ________. Il admire _____. Tous les deux ont écrit en prose, mais leur style a de grandes qualités _____.François René de Chateaubriand, Rousseau, poétiques
368384625Les characteristiques littéraires de Chateaubriand son ________.tune imagination débordante, une puissance descriptive incomparable et une grande sensibilité.
368384626Chateaubriand est important pour la littérature du XIX siècle for these 4 reasons1. Il a réveillé le sentiment religieux en France 2. Il a redone aux Français le goût du passé 3. Il a renouvelé le sentiment de la nature par ses descriptions de pays exotiques.
368384627le romantisme d'après Victor Hugo "____" Les auteurs romantiques veulent une littérature personnelle. Le romantisme donne donc lieu à une littérature individuelle, opposée au classicisme qui présente ce qu'il y a de commun à tous les homes.c'est libéralisme en littérature.
368384628Les qualités de Victor Hugo poète et écrivan sont _________.un vocabulaire considerable, une connaissance parfaite de la lanque, avec une imagination débordante et une splendeur incomparable dans ses images.
368384629Les meilleurs recueils de Victor Hugo de vers sont _________.Les orientales, les châtiments, les contemplations, la légende des siècles, chansons des rues et des bois, et l'art d'être grand-père.
368384630Les contributions de Victor Hugo dans le roman sont grands aussi. Il ses gagné par les idées humanitaires du siècle et il les exprime dans son grand roman ____. Il a aussi écrit ______.les misérables, Notre-Dame de Paris
368384631Les règles di theater romantique sont 1. Pour faire plus vivant il faut _____ 2. Il faut supprimer les unites de _______ mais ______ doit être maintenue, et 3. La "_____" doit contribuer à l'intérêt de la pièce.mélanger le comique et le dramatique, temps et de lieu, l'unitéd'action, couleur locale
368384632Les drames importantes de Victor Hugo sont ____Hernani, Cromwell, et Ruy Blas.
368384633Lamartine est un grand ______. Il est si triste. Il exprime cette douleur dans _________.poète lyrique, "Le Lac" et "L'isolement"
368384634Des oeuvres où Lamartine montre sa foi religieuse sont _________"Hymne du matin," "Mill you la terre natale," "Harmonies poétiques et religieuses," "Jocelyn," et "La chute d'un ange."
368384635La philosophie d'Alfred de Vigny est _______. Ses different oeuvres sont présenté des idées philosophiques sous forme de ____ dans des vers d'une douce mélancolie sentimentale. A son avis le gentilhomme, l'écrivain de genie, le soldat, le pensuer sont les "_____" de la société moderne. D'autre part, il a prêché le dévouement stoïque ____.la solitude de l'homme supérieur dans un société mediocre qui ne le comprend pas, symbols, parias, au devoir
368384636Le dernier grand romantique était ___. Il a écrit ____ en poésie, les comedies de _____, le drame de ____, et un roman autobiographique ____.Alfred de Musset, Rolla et Les Nuits, Fantasio, On ne badine pas avec l'amour, et Il ne faut jurer de rien, Lorenzaccio, La confession d'un enfant du siècle.
368384637Le grand oeuvre de Balzac est _____. Cet auteur n'est pas simplement romantique parce que il a l'imagination puissante de visionnaire combinee ____.La Comedie Humaine, à des dons d'observateur et de paintre réaliste
368384638Le "monde de Balzac" est ______. Ses personages principaux _____ de roman en roman, et ils sont generalement poussés par un sentiment ____. Ce sont ces ___ qui amènent une crise et un dénouement fatal.rès vivant et d'une réalité saisissante, reviennent, démesuré, passions
368384639L'histoire à la monde au XIXe siècle est devenue un _______. les tendances des historiens étaient: 1. Certains preesentent simplement les faits historiques ____ 2. D'autres _______.veritable genre littéraire, sans juger, cherchent à dégager les idées qui découlent des faits historiques
368384640Plusieurs historiens et leurs oeuvres sont ___________, et _________, et __________.Augustin Thierry, Alexis de Tocqueville (de la démocratie en amérique), Jules Michelet (histoire de France, histoire de la révolution française).
368384641L'originalité de Michelet est parce que il a présenté une "______," tout en essayant de dégager la loi fondamentale de l'histoire de l'humanité.resurrection intégrale du passé
368384642Le positivisme est une méthode qui se base exclusivement sur l'étude des ____. _____ est le fondateur. Il est le père de la _____.faits, Auguste Comte, sociologie
3695244713 of Chateaubriand's works areGénie du Christianisme, Les Maityrs, Les Memoires d'outre-tombe

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