Ppt on history of atom structure

ATOMIC STRUCTURE. Atomic Structure All matter is composed of atoms. Understanding the structure of atoms is critical to understanding the properties of.

in the nucleus X A Z H 1 1 H (D) 2 1 H (T) 3 1 U 235 92 U 238 92 Mass Number Atomic Number Element Symbol Atomic Structure Two isotopes of sodium. HISTORY OF THE ATOM 1913 Niels Bohr studied under Rutherford at the Victoria University in Manchester. Bohr refined Rutherfords idea by adding that the electrons were in orbits. Rather like planets orbiting/


Section 2.5 The Modern View of Atomic Structure: An Introduction Return to TOC Democritus (460-370 B.C) John Dalton (1766- 1844) JJ Thomson (1856-1940)

The Royal Society  Is said to one of the top 50 most influential persons in history.  Experiment-  Measured Atomic Weight, and came up with The Atomic Theory. Section 2.5 The Modern View of Atomic Structure: An Introduction Return to TOC Dalton’s Atomic Theory 6  Each element is made up of tiny particles called atoms.  The atoms of a given element are identical; the atoms of different elements are different in some fundamental/


SECTIONS 18-1 and 18-2. HISTORY OF THE ATOM 460 BC Democritus develops the idea of atoms He pounded up materials in his pestle and mortar until he had.

, holding the electrons in place by electrical attraction However, this was not the end of the story. HISTORY OF THE ATOM 1913 Niels Bohr Studied under Rutherford at the Victoria University in Manchester. Bohr refined Rutherfords/ATOMIC STRUCTURE Particle proton neutron electron Charge + charge - charge No charge 1 1 nil Mass ATOMIC STRUCTURE the number of protons in an atom the number of protons and neutrons in an atom He 2 4 Atomic mass Atomic number number of electrons = number of protons ATOMIC STRUCTURE/


RSS & ATOM Scott Cornelius Tom Morrow.  The benefit of RSS and Atom.  What is RSS about.  Structure and Syntax of RSS.  History of RSS.  What is.

Cornelius Tom Morrow  The benefit of RSS and Atom.  What is RSS about.  Structure and Syntax of RSS.  History of RSS.  What is Atom about.  Structure and Syntax of Atom.  History of Atom. -Contents- What is RSS and Atom all about? - They are a form of communication using XML documents to broadcast information updates to a large group of subscribers. How it works and its benefit. Before RSS and Atom Favorite website A Favorite website B Favorite/


NeSA- INQUIRY, THE NATURE OF SCIENCE, AND TECHNOLOGY Abilities to do Scientific Inquiry SC 12.1.1 Students will design and conduct investigations that.

Matter SC 12.2.1 Students will investigate and describe matter in terms of its structure, composition and conservation. Standard- SC 12.2.1.a 27 O BJECTIVE/atoms resulting in the formation of different chemical substances covalent bonda form of chemical bond characterized by the sharing of a pair of valence electrons between atoms ionic bond a form of chemical bond characterized by transfer of electrons from one atom to another resulting in the attraction of oppositely charged ions moleculea group of atoms/


1 Recap: Chemical and Physical Change Different states of a substance are different physical ways of packing its component particles A physical change.

times lighter than a hydrogen atom Atoms are divisible! Cathode rays were later renamed electrons. 4 Structure of AtomsHistory 1897 J J ThomsonPlum Pudding model of the atom 5 Structure of AtomsHistory 1909 R A Millikanmeasured the charge of an electron 1.6 x 10 -19 C  m(e - ) = 9.1  10 -31 kg Fig 2.6 Silberberg 6 Structure of AtomsHistory 1909 E Rutherford 7 Structure of AtomsHistory 1909 E Rutherford Atoms are mostly empty space occupied/


1 CT3620 VETENSKAPSMETODIK FÖR TEKNIKOMRÅDET HISTORY OF IDEAS IN COMPUTING Gordana Dodig-Crnkovic Department of Computer Science and Engineering Mälardalen.

of ancient atomic theory. The problem of showing that one single physical body- say piece of iron is composed of atoms is at least as difficult as of showing that all swans are white. Our assertions go in both cases beyond all observational experience. The difficulty with these structural/, possible at all. 233 Interference (which means that the outcome of a quantum process in general depends on all the possible histories of that process). This is the feature that makes quantum computers qualitatively /


11 Atomic Theory. 2 A HISTORY OF THE STRUCTURE OF THE ATOM.

11 Atomic Theory 2 A HISTORY OF THE STRUCTURE OF THE ATOM HISTORY OF THE ATOM 460 BC Democritus develops the idea of atoms he pounded up materials in his pestle and mortar until he had reduced them to smaller and smaller particles which he called ATOMA (greek for indivisible) 4 History  Greek Philosopher Democritus (460-370 B.C.): all matter composed of small atoms atomos = indivisible  1803, John Dalton (brit.): atoms are the fundamental building/


Development of the Atom The Greeks History of the Atom Not the history of atom, but the idea of the atom In 400 B.C the Greeks tried to understand matter.

dioxide, CO 2 Water, H 2 O Methane, CH 4 Structure of Atoms Scientist began to wonder what an atom was like. Was it solid throughout with no internal structure or was it made up of smaller, subatomic particles? It was not until the late 1800’s that evidence became available that atoms were composed of smaller parts. History: On The Human Side 1834 Michael Faraday - electrolysis experiments suggested/


Atoms, Molecules and Ions. I. Atoms & Molecules A. Atom Examples - Matter around us is made up of tiny particles called atoms. There are ~ 118 known atoms.

the number of electrons; and NOT the atomic weight. - The number of protons plus neutrons determines the weight of the atom in AMU. Atomic Mass = #n + #p (from periodic chart). Why are the masses not integers? - The ratio of electrons to protons determines the charge of the atom; atoms can loose or gain electrons to have + or - charges; for neutral atoms the #e = #p. I. Atoms & Molecules E. Atomic Structure Continued - Atoms of a given element/


Atoms What are we going to study about the atom? History Structure Properties Forces.

table. Know: symbols and names Atoms What are we going to study about the atom? History Structure Properties Forces Isotopes What is an isotope? Atoms of the same element that have different number of neutrons. Also have different number of neutrons. Common Isotopes of Carbon C-12 C-13 # of p+, n 0, e-? Atomic Structure History, Structure and Properties of the Atom History of the Atom Great Thinkers (2,000yrs. Ago) Age of Reason and Thought Democritus vs. Aristotle/


Atomic Structure Unit 2.

4. Chemical reactions involve the rearrangement of atoms. No new atoms are created or destroyed. California WEB Structure of Atoms Scientist began to wonder what an atom was like. Was it solid throughout with no internal structure or was it made up of smaller, subatomic particles? It was not until the late 1800’s that evidence became available that atoms were composed of smaller parts. History: On The Human Side 1834 Michael/


ATOMIC STRUCTURE NEUCLONS ELECTRONSPARTICLES HISTORY STABLE or not ELEMENTS $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500.

Rutherford? Back to game board HISTORY - $400 n 3 of the 5 individuals we discussed that contributed to the development of modern atomic model/theory. n Who were Democritus, Dalton, Thompson, Rutherford, Bohr? Back to game board HISTORY - $500 n Scientist that/$500 n This elemental number signifies the number of neutrons and protons for each element. n What is atomic mass or atomic weight? Back to game board THANK YOU FOR PLAYING... ATOMIC STRUCTURE Jeopardy Atom image from http://www.jlab.org/news/releases//


HISTORY OF THE ATOM 1910 Ernest Rutherford He oversaw his students, Geiger and Marsden, carrying out his famous Gold Foil experiment. They fired alpha.

dark lines (absence of light) in the spectrum. HISTORY OF THE ATOM The Bohr Model Successes The model successfully predicted the lines in the visible portion, uv portion, and infrared portion of the spectrum for hydrogen. The Bohr Model Limitations The model only explained the spectra of one-electron systems. It could not explain the emission spectra produced by atoms of two or more electrons. ATOMIC STRUCTURE Particle Relative Charge/


HISTORY OF THE ATOM 460 BC Democritus develops the idea of atoms He pounded up materials in his pestle and mortar until he had reduced them to smaller.

. HISTORY OF THE ATOM reviewed Atomos song http://www.youtube.com/watch?v=WK7wu TwAiBUAtomos song http://www.youtube.com/watch?v=WK7wu TwAiBU Crash Course https://www.youtube.com/watch?v=thnDxFdkzZs Science Classroom https://www.youtube.com/watch?v=IO9WS_HNmyg Atoms The basic unit of Matter The smallest particle of an element that retains the properties of that element. Made up of subatomic particles ATOMIC STRUCTURE All About Atoms/


Warm-up Quiz Please write the name of the following elements on p 34 Then write the Agenda and LG I.Pu II.Pt III.Sn IV.Sc V.S VI.Na.

Particles The electron (e-) is the negatively (1-) charged particle found in the electron cloud outside of the nucleus. ATOMIC STRUCTURE the number of protons in an atom Identifies the element the number of protons and neutrons in an atom Mass of the nucleus He 2 4 Atomic mass Atomic number number of electrons = number of protons A tomic number = P rotons = E lectrons M ass number - A tomic number = N eutrons/


The Atom Mr. Sackman South Dade Senior High 2010.

and attempted to prove the existence of atoms – Proposed new atomic theory in 1803 – Some of his theories were the same as Democritus History -Dalton’s Atomic Theory states the following -All matter is composed of extremely small particles called atoms -All atoms of the same element are identical and atoms of different elements differ completely from others -Atoms cannot be created, destroyed, or divided -Different numbers of atoms combine in simple whole number ratios/


S.MORRIS 2006. Where did it all begin? The word “atom” comes from the Greek word “atomos” which means indivisible. The idea that all matter is made up.

attraction However, this was not the end of the story. HISTORY OF THE ATOM 1913 Niels Bohr studied under Rutherford at the/of? ATOMIC STRUCTURE All About Atoms All About Atoms Particle Proton Neutron electron Charge + charge - charge No charge 1amu 1/1836 Mass ATOMIC STRUCTURE Represents the number of protons in an atom Never changes P+ equal to the number of e- the number of protons and neutrons in an atom Neutrons equal mass # - atomic # He 2 4 Mass Number Atomic number number of electrons = number of/


S.MORRIS 2006. Important Rule To Remember There are 2 types of charges: positive and negative (think about a magnet.) -Like charges (positive-positive.

shell, they can only have 2 valance electrons. However, the atoms of all other elements can have up to 8 valance electrons in their outer shell. Law of Conservation of Matter Matter cannot be created or destroyed. It can only change form.. The History of the Discovery of the Atom HISTORY OF THE ATOM 460 BC Democritus develops the idea of atoms he pounded up materials in his pestle and mortar until he/


Minerals, Rocks, and the Fossil Record. SES1. Students will investigate the composition and formation of Earth systems, including the Earth’s relationship.

continuity) and describe how unconformities form. b. Interpret the geologic history of a succession of rocks and unconformities. c. Apply the principle of uniformitarianism to relate sedimentary rock associations and their fossils to the environments/ of mineral is characterized by a specific geometric arrangement of atoms, or its crystalline structure.  crystal a solid whose atoms, ions, or molecules are arranged in a regular, repeating pattern  One way that scientists study the structure of crystals/


Chapter 2 Atoms, Molecules, and Ions. Section 2.1 The Early History of Chemistry Copyright © Cengage Learning. All rights reserved 2  Greeks were the.

like sphere under scanning tunneling microscope Section 2.4 Early Experiments to Characterize the Atom Electron Cloud Model Section 2.4 Early Experiments to Characterize the Atom History of Atomic Chemistry Section 2.5 The Modern View of Atomic Structure: An Introduction  The atom contains:  Electrons – found outside the nucleus; negatively charged.  Protons – found in the nucleus; positive charge equal in magnitude to the electron’s negative charge.  Neutrons/


HISTORY OF THE ATOM 460 BC Democritus develops the idea of atoms He pounded up materials in his pestle and mortar until he had reduced them to smaller.

the end of the story. HISTORY OF THE ATOM 1913 Niels Bohr studied under Rutherford at the Victoria University in Manchester. Bohr refined Rutherfords idea by adding that the electrons were in orbits. Rather like planets orbiting the sun. With each orbit only able to contain a set number of electrons. Bohr’s Atom electrons in orbits nucleus HELIUM ATOM + N N + - - proton electron neutron Shell ATOMIC STRUCTURE Electrons/


Atomic Structure and the History of the Atom. HISTORY Aristotle - One of the most influential Greek philosophers, whose theories were wrong most of the.

Atomic Structure and the History of the Atom HISTORY Aristotle - One of the most influential Greek philosophers, whose theories were wrong most of the time. He strongly opposed the idea of the atom. He believed particles could be infinitely divided. Click here for biography on Aristotle HISTORY 2 Democritus – A Greek philosopher, and student of Aristotle. He believed that things could be divided until the division reached a single particle that matter was/


HISTORY OF THE ATOM 460 BC Democritus develops the idea of atoms He got the idea that everything was made of small bits by looking at sand on the beach.

the experiment. HISTORY OF THE ATOM 1913 Niels Bohr creates a new model of the atom. Bohr studied under Rutherford at the Victoria University in Manchester. Bohr refined Rutherfords model by adding that the electrons were in orbits around the nucleus, like planets going around the sun. Each orbit could only hold a set number of electrons. Bohr’s Atom electrons in orbits nucleus ATOMIC STRUCTURE Particle proton neutron/


ISBN 0-321-49362-1 Chapter 1 Preliminaries. Copyright © 2007 Addison-Wesley. All rights reserved.1-2 Chapter 1 Topics Reasons for Studying Concepts of.

locals is shared among some subprograms –Disadvantages Allocation/de-allocation, initialization time Indirect addressing Subprograms cannot be history sensitive Local variables can be static –More efficient (no indirection) –No run-time overhead –Cannot/ a constant, variable, or structure Constant: an atom or an integer Atom: symbolic value of Prolog Atom consists of either: –a string of letters, digits, and underscores beginning with a lowercase letter –a string of printable ASCII characters delimited by /


S. Aldrich 2008. HISTORY OF THE ATOM 460 BCE Democritus develops the idea of atoms He believed that you could cut objects in half, over and over again,

the Nobel Prize in 1935. Interestingly, the discovery of the neutron led directly to the discovery of fission (the splitting of atoms) and ultimately to nuclear energy, nuclear explosions and the atomic bomb. HISTORY OF THE ATOM Modern Theory HELIUM ATOM + 0 0 + - - proton electron neutron Electron cloud, electron shell or electron orbital What are the properties of these particles? Nucleus HISTORY OF THE ATOM ATOMIC STRUCTURE Subatomic Particle proton neutron electron Charge +positive charge/


Atomic Structure Chemistry The Greeks History of the Atom Not the history of atom, but the idea of the atom In 400 B.C the Greeks tried to understand.

Atomic Structure Chemistry The Greeks History of the Atom Not the history of atom, but the idea of the atom In 400 B.C the Greeks tried to understand matter (chemicals) and broke them down into earth, wind, fire, and air. Democritus and Leucippus Greek philosophers   The Hellenic Market FireWater Earth Air ~ ~ ~400 BCDemocritus First suggested the existence of atoms. Name atom - atomos All matter is made up of small indestructible particles called atoms DEMOCRITUS (400/


BR 1. Out-of-class Research Project 2. Listen and Answer 3. Background Information Clone Before Reading Genetic Engineering Narcissus Prometheus Julius.

What is cloning? 2. Give a brief history of the scientific research into cloning. 3. What are the major pros and cons of human cloning? 4. During your research, what/ Human cloning has given rise to the question of what implications the technology may have for mankind. The making of the atomic bomb had a tremendous impact on scientists. GR/lose.” Before the bomb was made, Oppenheimer said, “When Pay attention to the structure of the sentence and translate it into Chinese. This is a long and complex sentence/


Elements! Elements! Elements!

Atom Elements! Elements! Elements! Objectives Atomic Structure The Atomic Theory and History Atomic Math Element Quizzes In order to strengthen your familiarity with elements, you will be required to take element quizzes. Element Wanted Poster To demonstrate you knowledge of the concepts we will cover this six weeks. You will be expected to create a poster containing information about an element in the form of a WANTED poster. Atomic Structure Atomic Structure Atoms/


Electronic Structure of Atoms & Periodic Table

CHEMISTRY - DMCU 1233 Fakulti Kejuruteraan Mekanikal, UTeM Lecturer: IMRAN SYAKIR BIN MOHAMAD MOHD HAIZAL BIN MOHD HUSIN NONA MERRY MERPATI MITAN Electronic Structure of Atoms & Periodic Table Chapter 4 4.1 HISTORY OF ATOMIC MODEL Contributor Model Explanation John Dalton (1805) Billiard Ball Model Daltons atomic model was represented as a small united ball similar to a very tiny ball. J. J Thomson (1897) Plum Pudding Model/


Geologic Time. How much time ? Determining geological ages Relative age dates – placing rocks and events in their proper sequence of formation Numerical.

the nucleus Using radioactivity in dating Reviewing basic atomic structure Atomic number –An elements identifying number –Equal to the number of protons in the atoms nucleus Mass number –Sum of the number of protons and neutrons in an atoms nucleus Using radioactivity in dating Reviewing basic atomic structure Isotope –Variant of the same parent atom –Differs in the number of neutrons –Has the same number of protons –Results in a different mass number than/


On Knowing.

of Time Sentient Life Lots of Atoms Single Atoms No Arrow of Time The early universe expanded much faster than the speed of light, so there are objects and large regions of space we have never seen. Size The Universe Speed of Light Time This violates no law of/ structure on many scales Radiation does not interact with itself and has no form or structure Superforce First instant after the big bang event Most of the history of the universe The underlying unity suggested by string theory and the unification of /


The Atom and the Periodic Table

+ Neutrons) Magnesium: 24 (Protons + Neutrons) Lead: 207 (Protons + Neutrons) If we take the Atomic Mass and subtract the Atomic Number, we can figure out the number of neutrons. Pb – (Atomic Mass) 207 – (Atomic Number) 82 = 125 H 1 Mg 24 Pb 207 Atomic Structure (cont.) Atomic Mass Average mass of an element, based on amount of each isotope found in nature Not a whole number because it is an average/


CYL729: Materials Characterization

Barkla incorrectly understood origin) (Barkla got 1917 Nobel Prize) 1909 Kaye excited pure element spectra by electron bombardment History of X-rays - cont’d 1912 von Laue, Friedrich and Knipping observe X-ray diffraction (Nobel Prize to von/ the density of copper. n = 4 atoms/cell, n: number of atoms/unit cell A: atomic mass VC: volume of the unit cell NA: Avogadro’s number (6.023x1023 atoms/mole) Calculate the density of copper. RCu =0.128nm, Crystal structure: FCC, ACu= 63.5 g/mole n = 4 atoms/cell, 8/


Quantum Mechanics: what is it and why is it interesting? Dr. Neil Shenvi Department of Chemistry Yale University.

Quantum mechanics allows the prediction of: Atomic properties: ionization energy, UV absorption spectra Molecular structure: bond lengths, bond angles, dissociation energies Spectral features: infrared absorption, microwave absorption Chemical features: rate constants, enthalpy of reaction Biochemical features (often only in theory): crystal structure binding affinity The caveat: the larger the system, the more difficult the calculations become. Talk Outline 1. The history of quantum mechanics 2. The/


CHAPTER 6 ELECTRONIC STRUCTURE OF ATOMS. CHAPTER 6 TOPICS THE QUANTUM MECHANICAL MODEL OF THE ATOM USE THE MODEL IN CHAPTER 7 TO EXPLAIN THE PERIODIC.

STRUCTURE OF ATOMS CHAPTER 6 TOPICS THE QUANTUM MECHANICAL MODEL OF THE ATOM USE THE MODEL IN CHAPTER 7 TO EXPLAIN THE PERIODIC TABLE AND THE TRENDS OF THE ELEMENTS IN THE TABLE USE THE MODEL IN CHAPTERS 8 & 9 TO EXPLAIN CHEMICAL BONDING AND THE STRUCTURE AND SHAPE OF MOLECULES HISTORY THE QUANTUM MECHANICAL MODEL OF THE ATOM IS BASED ON: THE NATURE OF LIGHT AND MATTER & A NEW FIELD OF MATHEMATICS HISTORY/


Atomic Model Timeline http://www.cs.utah.edu/~draperg/cartoons/jb/bohring.gif.

Democritus. He said all matter is composed of indivisible tiny things made up into small not being able to be seen by the eye structures. 384-322BC Aristotle and fellow Greeks He found that matter is made of atoms. He also found that matter will always exist/ http://www.geocities.com/omegaman_uk/gellmann.html http://en.wikipedia.org/wiki/George_Zweig http://pdg.web.cern.ch/pdg/cpep/history/smt.html http://www.britannica.com/eb/article-9066466/Glenn-T-Seaborg http://en.wikipedia.org/wiki/Otto_Hahn http://en./


Principles of EXAFS Spectroscopy

atom N: coordination number of atom s2: mean-square disorder of atom distance f(k) and d(k) depend on atomic number, so EXAFS sensitive to Z of neighboring atoms EXAFS: Scattering and Phase Shift f(k) and d(k) depend on Z. f(k) peaks at different k and extends to higher-k for heavier elements. For very high Z, there is structure/1204 (1971). History Lytle, J. Synch. Rad. 6, 123 (1999). (http://www.exafsco.com/techpapers/index.html) Stumm von Bordwehr, Ann. Phys. Fr. 14, 377 (1989). Theory papers of note: Lee/


Chapter 2 Atoms, Molecules, and Ions. Chapter 2 Table of Contents Return to TOC Copyright © Cengage Learning. All rights reserved 2 2.1 The Early History.

. All rights reserved 2 2.1 The Early History of Chemistry 2.2 Fundamental Chemical Laws 2.3 Dalton’s Atomic Theory 2.4 Early Experiments to Characterize the Atom 2.5 The Modern View of Atomic Structure: An Introduction 2.6Molecules and Ions 2.7An Introduction to the Periodic Table 2.8Naming Simple Compounds Section 2.1 The Early History of Chemistry Return to TOC Copyright © Cengage Learning/


Harris Chapter 7 - Atomic Structure

by Goudsmit during his 1971 lecture. The original is presumably in the Goudsmit archive kept by the AIP Center for History of Physics. http://www.lorentz.leidenuniv.nl/history/spin/goudsmit.html intrinsic spin Fundamental objects Composite objects electron spin – ½ neutrino spin – ½ , but LH / Solve Schro Eqn for En Yn Insert fine structure corrections Build atom according to This set of orbital energies En Loop until V(r) doesn’t change much Use the collection of Yn*Yn to Get new electron charge distrib Use/


Outline the history of the atomic model. Agenda for Tuesday Dec 14 th 1.Atoms 2.Atomic mass, #, protons, etc.

Outline the history of the atomic model. Agenda for Tuesday Dec 14 th 1.Atoms 2.Atomic mass, #, protons, etc Atoms Nucleus in the center – Protons and neutrons Electrons on outside of nucleus – Electron cloud model – Electrons exist in energy levels – based on # of electrons Atomic Number and Atomic Mass B boron 5 10.811 Element name Atomic number Symbol Atomic mass Atomic number: # of protons in nucleus Each element has a different atomic # Identifies the/


Nuclear and Atomic Physics

Nuclear and Atomic Physics Intro: Atomic Structure and a little history.  Print off the topic outline for this unit by tomorrow! Early atomic structure… JJ Thomson: “Plum pudding” model An atom is a mixture of positive and negative charges Image from: http://abyss.uoregon.edu/~js/21st_century_science/lectures/lec11.html Atomic Structure 1909: Rutherford—Worked with Geiger and Marsden on the gold foil experiment A very thin gold foil was placed/


A BRIEF HISTORY OF MODELS OF THE ATOM 2b: Models in Science and Religion.

atomic theory, namely where did atomic weights come from? A Brief history of (models of) the atom [6] At the start of the 20th century Atoms were known to be electrically neutral, so the discovery in 1897 of the electron by Thomson posed questions about the structure of the atom./ - they would radiate energy. This model accounted for the nucleus but not the electron structure. A Brief history of (models of) the atom [8] X-ray vision Moseley and Bohr working with X-rays and analysing spectra led to Bohr/


1 The traditional Representation of chemical compounds Goals: Name the compounds (XVIII century) Describe them: Geometry and electron distribution –Global.

bonds) a small square may indicate a vacant place available for extra electrons 16 The first representation of the Lewis structure used “cubic atoms” well adapted for the octet rule. The binding did result from a pairing of cubes through vertices, edges or faces according to Abegg law. History: Lewis (1916), Lamgmuir (1919) 17 Valence electrons, core electrons Valence electrons are the least stable ones/


Geology Rock, Rock On Part 1 Age of Earth and scientific classification Part 2 Plate tectonics and water 1.

Earth history and fossils. Stratigraphers study how layers of sedimentary rock form though geologic time. Geomorphologists study how the land surface is shaped by water. 36 Scientific Classification Minerals are grouped into categories based on how they were made on the earth. Scientists identify minerals based on physical properties. Properties include: Color, Hardness, Cleavage or Fracture, Crystalline Structure, Magnetism, Luster, and Density 37 Atomic/


The Atom and the Periodic Table. Atoms Everything in the Universe is made of stuff (also known as matter). The building blocks are the same, whether we.

(Protons + Neutrons)  Magnesium: 24 (Protons + Neutrons)  Lead: 207 (Protons + Neutrons) If we take the Atomic Mass and subtract the Atomic Number, we can figure out the number of neutrons.  Pb – (Atomic Mass) 207 – (Atomic Number) 82 = 125 H1H1 Mg 24 Pb 207 Atomic Structure (cont.) Atomic Mass Average mass of an element, based on amount of each isotope found in nature Not a whole number because it is an average/


History of the Atom Activity. Objectives: – Today I will be able to: Explore the nature of science by completing an activity Research a scientist to understand.

difference between the Bohr and Schrodinger models of the atom? Objective Today I will be able to: – Explore the nature of science by researching the history of the atom – Research a scientist to understand the history of the atom Homework Study for the Atomic Structure Quiz Tuesday Agenda Warm – Up History of the Atom Research Construction of Analogies Make a Flip Book Exit Ticket History of the Atom Research Each member of the group will use textbooks and the/


HONORS CHEMISTRY September 9, 2013. Atomic History Democritus Democritus Dalton Dalton JJ Thomson JJ Thomson Rutherford Rutherford Chadwick Chadwick Bohr.

charges and that they equal each other Helped to arrange atoms in the periodic table. Atoms were arranged in increasing atomic number using wavelengths and Helped to arrange atoms in the periodic table. Atoms were arranged in increasing atomic number using wavelengths and x-rays x-rays Atoms, Isotopes and Ions How do atoms of different elements differ? The Modern View of Atomic Structure What are the particles that make up an/


Chapter 4: Glow in the Dark. Introductory Activity List as many things as you can think of that “glow” What do you have to do to make these “glowing”

to do to make these “glowing” things “glow”? Glow in the dark This chapter will introduce the chemistry needed to understand how glowing things work  Section 4.1: History of Atomic Theory  Section 4.2: Atomic Structure  Section 4.3: Electron Structure  Section 4.4: Periodic table  Section 4.5: Periodicity  Section 4.6: Light  Section 4.7: Light and matter Glow in the dark Electron/


Ararat Anna, Emily, Honda, Julie. Outline I. Introduction A. Armenian genocide B. Atom Egoyan C. Structure D. Theme II. Analysis A. Characters B. Parallel—family.

truth  An Armenian director makes a film in Toronto to represent the tragic history Toronto to represent the tragic history  From the fictional point of view of a genuine historical figure, Gorky historical figure, Gorky  Film named “Ararat” same as the movie Atom Egoyan (1960) Atom Egoyan (1960) Atom Egoyan (1960)  Director of Ararat  Director of Ararat  Armenian-Canadian  Armenian-Canadian (Born in Egypt, immigrate to (Born in Egypt/


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