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Title: Investigating Atoms and Atomic Theory Author: lewisv Last modified by: Liz Created Date: 2/15/2006 12:11:11 AM Document presentation format

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A History of Atomic Theory Atomic Models * * Thomson s Plum ... of matter we move from Dalton s Billard Ball Model to Thomson s Plum pudding model ...

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A History of Atomic Theory Atomic Models

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A History of Atomic Theory Atomic Models * * JJ Thomson s discovery of (-) charged electrons proved that atoms were divisible! Thomson s Plum pudding atom ...

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Atomic Theory and Atomic Structure What are Neutrons? Large and heavy like protons Neutrons have no electrical charge Located in the nucleus of the atom 1 neutron= 1 ...

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Presentation for middle school to high school advanced as introduction to atomic structure. Ability to add personal text in allocated text boxes or personalization. Great for beginning teachers. Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for -fair use- for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use.

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Atomic Structure Chapter 4

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Title: Atomic Physics II Author: ML Last modified by: Created Date: 11/30/2005 2:19:20 PM Document presentation format: Company

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Number of Protons Atomic Number Orbital Modern Model Region of space that holds 2 electrons. Has a specific energy. Shapes vary. E1 E2 Represents an electron dropping ...

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Atomic Theory ... Atomic Theory

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Number of Protons Atomic Number Mass Number Number of Protons + Neutrons 12C Left Superscript = mass number 12C Left Subscript = atomic number 80Br 35 20Ne 20 27Al 27 ...

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Theories Change The Atomic Theory of Matter states that all matter is composed of small, fast moving particles called atoms. These atoms can join together to form ...

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Unit 02 Atomic Structure

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ATOMIC THEORY Building blocks of matter

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Atomic Structure Niel Bohr H-spectrum ...

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ATOMIC STRUCTURE? Kenneth E. Schnobrich

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Atomic Structure Early Theories of Matter Science as we know it did not exist several thousand years ago Democritus (460-370 BC) Democritus Theory Matter is ...

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Title: Atomic structure Author: S.MORRIS Last modified by: YOUSUF SNIGDHA Created Date: 7/9/2006 10:27:47 AM Document presentation format: On-screen Show (4:3)

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John Dalton. Ernest Rutherford. Atomic Theory. 400 BC 1803 1904 1910 1913 1926 Title: Atomic Theories Timeline Author: Ron Last modified by: Pampa Created Date:

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Atomic Structure * Nuclear Chemistry Vocabulary Nuclide- General name given to the nucleus of an atom Parent nuclide- initial nucleus Daughter nuclide- the nucleus ...

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Title: Atomic structure Author: S.MORRIS Last modified by: Tech Services Created Date: 7/9/2006 10:27:47 AM Document presentation format: On-screen Show

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Atomic Theory 15,000 kilotons

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1 Atomic Structure * Atomic Weight The relative atomic weight (also called relative atomic mass) of an element is the weighted average of the masses of its stable ...

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ATOMIC STRUCTURE Scientists that changed our view of the atom

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Atomic Structure Timeline

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Chapter 4: Atomic Structure 4.1 Defining the Atom An Atom is the smallest particle of an element that retains its identity in a chemical reaction.

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Atomic Structure & Scientists

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Aristotle and Plato favored the earth, fire, air and water approach to the nature of matter. ... because the atoms of the gas were uncharged.

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Atomic Theory Past and Present A. Democritus (400 BCE) Matter is made up of particles called atomos or atoms http://www.timelineindex.com/content/view/1228 I.

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Title: Atoms, Elements, and Ions Subject: Chemistry I (High School) Author: Neil Rapp Keywords: atoms, ions, elements, protons, neutrons, electrons, isotopes

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In the early nineteenth century, an English chemist Dalton stated clearly his ideas regarding atoms. He was the first person to give out atomic theory in 1803.

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Atomic Structure History of Atomic Theory

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Atomic Structure: Chpt. 4 Atom Robert Milliken Democritus J.J Thomson John Dalton James Chadwick

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Atomic Structure www.lab-initio.com Standards Modern Atomic Theory All matter is composed of atoms Atoms cannot be subdivided, created, or destroyed in ordinary ...

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Atomic Theory Label the 3 different particles that make up an atom What is the charge of each? Draw a model of the element Boron (B) Atomic Theory Label the 3 ...

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Atoms are so small that, even today, direct visual inspection is all but impossible. Our model of the atom is based on indirect experimental data.

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Atomic Theories Chapter 4.1 How do we know about atoms when no one has ever seen inside an atom? Greek Philosopher - Democritus Believed it is IMPOSSIBLE to divide ...

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John Dalton s Atomic Theory (1808) Compounds are composed of atoms of more than one element. In any compound, the ratio of atoms is a whole number or simple fraction.

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The Atomic Theory Atom The smallest particle into which an element can be divided and still be the same substance. The smallest particle of an element that retains ...

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Chapter 3 Atomic Structure Chemistry Mr. Bass

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Atomic Theory and Structure

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The Atomic Theory and Electronic Structure A Visual-Historical Approach David A. Katz Department of Chemistry Pima Community College Tucson, AZ U.S.A.

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Unit: Atomic Structure History of the Atom Important Experiments Leading to Atomic Theory Democritus (400 B.C.) A Greek philosopher Was the first person to think ...

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Atomic Structure Notes Thomson Model The pudding had a positive charge and the plums had a negative charge. Rutherford Model Gold Foil Experiment ...

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Atomic Structure Timeline Use the following information to complete the lecture handout. On tomorrow s quiz, you will be expected to draw the atomic models

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Atomic Structure Subatomic particles Atomic Number This is the number of protons in the nucleus If you know the atomic number of an atom you know the number of ...

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Atomic Theory and Structure Chapters 4-5

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Unit 3 Atoms, Sub-Atomic Particles & Nuclear Chemistry

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Atomic Models JOHN DALTON Early 1800 s Thought atoms were smooth, hard balls that could not be broken into smaller pieces. All elements are made of atoms.

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J. J. Thomson (1856-1940) Thomson is credited for the discovery of the electron, of isotopes, and the invention of the mass spectrometer. Earnest Rutherford (1871 ...

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Chapter 4: Atomic Structure

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The Atomic Model Chem 9 The Greek Model Democritus - A Greek Philosopher, 400 BC. Concluded that matter could not be divided into smaller and smaller pieces forever.

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The idea of a photon Black body radiation Photoelectric Effect The structure of the atom How does a Laser work? Interaction of lasers with matter

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The Atomic Theory By: Jake Meister, Charles Quirk, Matt Reisin, Ben Kessler Greek Model 300 B.C.E The Greek model had the idea that everything is made out of spheres.

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Chapter 4 Atomic Structure The Atom Democritus s Atomic Philosophy Dalton s Atomic Theory Dalton s Atomic Theory Dalton s Atomic Theory The Atom Subatomic ...

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Atomic Theory and Structure John Dalton Leading to Discovery Series of meteorological observations 1787 in Manchester area Proved the validity of concept that rain ...

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