Table of Contents Electrons in Atoms > Light and Quantized Energy > Quantum Theory and the Atom > Electron Configuration
|
|
- Raymond Bates
- 6 years ago
- Views:
Transcription
1 Electrons in Atoms October 20, 2014 Table of Contents Electrons in Atoms > Light and Quantized Energy > Quantum Theory and the Atom > Electron Configuration 1
2 Electromagnetic Spectrum Electromagnetic radiation a form of energy that exhibits wavelike behavior as it travels through space Spectroscopy Spectroscopy is the study of the interaction of matter and radiant energy > Radiant energy comes from electromagnetic waves Ex: X rays, gamma rays, radio waves > Method of studying substances that are exposed to some sort of exciting energy 2
3 Visible Light low energy high energy Red Orange Yellow Green Blue Indigo Violet Long wavelength Short wavelength White light is the combination of all the visible colors of light Review Questions 1. Which would have a longer wavelength: orange or violet? ORANGE 2. Which has more energy: red light or blue light? BLUE 3. Which has more energy: microwaves or x rays? X RAYS 3
4 Wave Nature of Light Light behaves like a wave > Wavelength (λ ) distance between equivalent points on wave; (m) > Frequency (f) number of waves per second; (Hz, or 1/s or s 1 ) All electromagnetic waves, including visible light, travel at the same speed of c = speed of light= 3.00 x 10 8 m/s c = λν > Where > c = speed of light (3.00 x 10 8 m/s) > λ = wavelength > f = frequency Wave Nature of Light c = λν c = speed of light = 3.00 x 10 8 m/s λ = wavelength f = frequency As you can see from the equation, wavelength and frequency are inversely related In other words, as one quantity increases, the other decreases 4
5 Wave Nature of Light Example: What is the wavelength of a microwave having a frequency of 3.44 x 109 Hz? Substitute c and the microwave s frequency, ν, into the equation. Note that Hz is equivalent to 1/s or s 1 c = λν 3.00 x 10 8 m/s = λ (3.44 x 109 1/s) Divide the values to determine wavelength, λ, and cancel units as required c λ ν Wave Nature of Light Wavelength The distance between two similar points on two successive waves Measured in meters (m), centimeters (cm) or nanomenter (nm) *1 nm = 1 x 10 9 m Amplitude The height of the crest or depth of the trough Refers to intensity or brightness of a light Frequency (ν) The number of waves that pass a point per second This is what changes the energy of a wave Hertz (Hz) is a measure of frequency 5
6 Particle Nature of Light Light also behaves as a particle > The wave model could not explain the emission of different wavelengths at different temperatures, so a new explanation was needed Particle Nature of Light In 1900, the German physicist Max Planck began searching for an explanation. > That is, while light has wavelike characteristics, it also can be a stream of tiny particles, or bundles of energy, called photons (photoelectric effect) 6
7 Electrons & Light Light (electromagnetic radiation) is a form of energy it acts like a wave and a particle > Caused by exciting electrons jumping energy levels and then returning to original energy level We see different colors of light (wavelengths) depending on how many energy levels electrons move and the amount of energy they possess Electrons & Light As energy is absorbed, the electrons move from their ground state (original energy level) to an excited state (higher energy level) nucleus Initial position energy levels ) ) ) ) ) ) ) ground state Final position excited state 7
8 Electrons & Light Electrons are unstable in their excited state, so they return to the ground state by releasing energy During this return, light is emitted! Final position nucleus ground state energy levels Initial position ) ) ) ) ) ) ) excited state Spectra of Light Emission Spectra A set of frequencies of the electromagnetic waves emitted by atoms of the element > Shows all the wavelengths of light that are emitted > Spectroscope instrument used to see the emission spectra 8
9 Spectra of Light Spectrums appear as colored lines on the atomic emissions spectrum Each element s atomic emission spectrum is unique and can be used to determine if that element is part of an unknown compound Review Questions 1. TRUE OR FALSE: Each element has its own unique atomic emission spectra TRUE 2. TRUE OR FALSE: Wavelength and frequency are directly related. FALSE 9
10 Review Questions Which element is the unknown??? strontium Emission of Light In 1900, Max Planck described the emission spectrum of objects that were heated He discovered that matter can only gain or lose energy in small specific amounts called quanta > Planck s research, along with the work of Heisenberg, Schrödinger, Einstein, etc. gave birth to the field of quantum mechanics, which quantitatively describes the behavior of atoms and subatomic particles 10
11 Emission Of Light Quantum minimum amount of energy that can be gained or lost by an atom; can be referred to as a packet of energy Photon packet of light energy (quantum) To calculate the energy in a photon: E = h ν Where: E = h ν E = energy in Joules (J) h = Planck s constant x J s ν = frequency in Hertz (Hz, s 1, or 1/s) Particle Nature of Light Example Problem: Calculate the energy of a light that has a frequency of /s. E = hv ( J s) ( /s) E = J 11
12 Wave Particle Duality Electrons have a waveparticle duality > Describes the wave properties of matter, specifically, the wave nature of the electron > de Broglie suggested that particles can exhibit properties of waves 12
The ELECTRON: Wave Particle Duality. chapter 4
The ELECTRON: Wave Particle Duality chapter 4 What do we know about light? Before 1900 s scientists thought light behaved as a wave. This belief changed when it was discovered that light also has particle
More informationChapter 5 Electrons In Atoms
Chapter 5 Electrons In Atoms 5.1 Revising the Atomic Model 5.2 Electron Arrangement in Atoms 5.3 Atomic Emission Spectra and the Quantum Mechanical Model 1 Copyright Pearson Education, Inc., or its affiliates.
More informationNOTES: 5.3 Light and Atomic Spectra (more Quantum Mechanics!)
NOTES: 5.3 Light and Atomic Spectra (more Quantum Mechanics!) Light WAVE or PARTICLE? Electromagnetic Radiation Electromagnetic radiation includes: -radio waves -microwaves -infrared waves -visible light
More informationElectrons! Chapter 5
Electrons! Chapter 5 I.Light & Quantized Energy A.Background 1. Rutherford s nuclear model: nucleus surrounded by fast-moving electrons; no info on how electrons move, how they re arranged, or differences
More informationThe Bohr Model of the Atom
Unit 4: The Bohr Model of the Atom Properties of light Before the 1900 s, light was thought to behave only as a wave. Light is a type of electromagnetic radiation - a form of energy that exhibits wave
More informationI understand the relationship between energy and a quanta I understand the difference between an electron s ground state and an electron s excited
NCCS 1.1.2 & 1.1.3 I understand the relationship between energy and a quanta I understand the difference between an electron s ground state and an electron s excited state I will describe how an electron
More informationIntroduction. Electromagnetic Waves. Electromagnetic Waves
Introduction Much of the information we know about electrons comes from studies of interactions of light and matter. In the early 1900 s, scientists discovered that light has properties of both a wave
More informationUnit 4. Electrons in Atoms
Unit 4 Electrons in Atoms When were most of the subatomic particles discovered? Who discovered densely packed nucleus surrounded by fast moving electrons? Rutherford s Model Major development Lacked detail
More informationAtomic Structure Part II Electrons in Atoms
Atomic Structure Part II Electrons in Atoms Radiant energy travels in the form of waves that have both electrical and magnetic properties. These electromagnetic waves can travel through empty space, as
More informationEnergy of Waves. What is the relationship between l, n and Energy?!
Chapter 5 Part 2 c = ln Practice! What is the wavelength of a microwave that has a frequency of 1.56 x 10 9 Hz? The red-colored light in a fireworks display might be produced when Strontium salts are heated.
More informationPhysics and the Quantum Mechanical Model
chemistry 1 of 38 Mechanical Model Neon advertising signs are formed from glass tubes bent in various shapes. An electric current passing through the gas in each glass tube makes the gas glow with its
More informationAtomic Structure Part II. Electrons in Atoms
Atomic Structure Part II Electrons in Atoms Radiant energy travels in the form of waves that have both electrical and magnetic properties. These electromagnetic waves can travel through empty space, as
More informationProperties of Light. Arrangement of Electrons in Atoms. The Development of a New Atomic Model. Electromagnetic Radiation CHAPTER 4
CHAPTER 4 Arrangement of Electrons in Atoms The Development of a New Atomic Model The Rutherford model was a great improvement over the Thomson model of the atom. But, there was one major question that
More informationBohr. Electronic Structure. Spectroscope. Spectroscope
Bohr Electronic Structure Bohr proposed that the atom has only certain allowable energy states. Spectroscope Using a device called a it was found that gaseous elements emitted electromagnetic radiation
More information10/4/2011. Tells you the number of protons
Atomic Structure The arrangement of the subatomic particles within the atom determines the chemical properties of the elements How they interact with one another The types of ions and structures that they
More informationThe ELECTRON: Wave Particle Duality
The ELECTRON: Wave Particle Duality No familiar conceptions can be woven around the electron. Something unknown is doing we don t know what. -Sir Arthur Eddington The Nature of the Physical World (1934)
More informationWavelength (λ)- Frequency (ν)- Which of the following has a higher frequency?
Name: Unit 5- Light and Energy Electromagnetic Spectrum Notes Electromagnetic radiation is a form of energy that emits wave-like behavior as it travels through space. Amplitude (a)- Wavelength (λ)- Which
More informationc = λν 10/23/13 What gives gas-filled lights their colors? Chapter 5 Electrons In Atoms
CHEMISTRY & YOU What gives gas-filled lights their colors? Chapter 5 Electrons In Atoms 5.1 Revising the Atomic Model 5. Electron Arrangement in Atoms 5.3 Atomic and the Quantum Mechanical Model An electric
More informationChapter 6. Quantum Theory and the Electronic Structure of Atoms Part 1
Chapter 6 Quantum Theory and the Electronic Structure of Atoms Part 1 The nature of light Quantum theory Topics Bohr s theory of the hydrogen atom Wave properties of matter Quantum mechanics Quantum numbers
More informationElectromagnetic Radiation. is a form of energy that exhibits wavelike behavior as it travels through space.
Electromagnetic Radiation is a form of energy that exhibits wavelike behavior as it travels through space. What are the 7 forms of electromagnetic radiation, in order of INCREASING wavelength? gamma rays
More information5.3. Physics and the Quantum Mechanical Model
Chemistry 5-3 Physics and the Quantum Mechanical Model Neon advertising signs are formed from glass tubes bent in various shapes. An electric current passing through the gas in each glass tube makes the
More informationCalendar. October 23, Chapter 5 Notes Waves.notebook Waves vocab waves ws. quiz PSAT. Blank. elements test. demo day
Calendar Sunday Monday Tuesday Wednesday Thursday Friday Saturday 13 14 Waves vocab waves ws 20 PSAT make notecards 7th 15 21 22 quiz 16 23 17 24 27 28 29 30 31 elements test demo day Blank 1 The Nature
More informationCHEMISTRY Matter and Change
CHEMISTRY Matter and Change Chapter 5: Electrons in Atoms 5 Section 5.1 Section Section 5.3 Table Of Contents Light and Quantized Energy Electron Configuration Compare the wave and particle natures of
More informationChapter 5 Electrons In Atoms
Chapter 5 Electrons In Atoms 5.1 Revising the Atomic Model 5.2 Electron Arrangement in Atoms 5.3 Atomic Emission Spectra and the Quantum Mechanical Model 1 Copyright Pearson Education, Inc., or its affiliates.
More informationEnergy and the Quantum Theory
Energy and the Quantum Theory Light electrons are understood by comparing them to light 1. radiant energy 2. travels through space 3. makes you feel warm Light has properties of waves and particles Amplitude:
More informationChapter 7 Atomic Structure -1 Quantum Model of Atom. Dr. Sapna Gupta
Chapter 7 Atomic Structure -1 Quantum Model of Atom Dr. Sapna Gupta The Electromagnetic Spectrum The electromagnetic spectrum includes many different types of radiation which travel in waves. Visible light
More informationThe Sine Wave. You commonly see waves in the environment. Light Sound Electricity Ocean waves
The Sine Wave Mathematically, a function that represents a smooth oscillation For example, if we drew the motion of how the weight bobs on the spring to the weight we would draw out a sine wave. The Sine
More information5.1 Light & Quantized Energy
5.1 Light & Quantized Energy Objectives: 1. Describe electromagnetic (EM) wave properties & measures 2. Relate visible light to areas of the EM spectrum with higher & lower energy 3. Know the relationship
More informationElectrons in Atoms. Section 5.1 Light and Quantized Energy
Name Date Class 5 Electrons in Atoms Section 5.1 Light and Quantized Energy In your textbook, read about the wave nature of light. Use each of the terms below just once to complete the passage. amplitude
More informationCh. 5 Notes - ELECTRONS IN ATOMS NOTE: Vocabulary terms are in boldface and underlined. Supporting details are in italics.
Ch. 5 Notes - ELECTRONS IN ATOMS NOTE: Vocabulary terms are in boldface and underlined. Supporting details are in italics. 5.1 Notes I. Light and Quantized Energy A. The Wave Nature of Light 1) the wave
More informationWrite the electron configuration for Chromium (Cr):
Write the electron configuration for Chromium (Cr): Energy level Aufbau Principle Atomic orbital Quantum Hund s Rule Atomic number Electron Configuration Whole number Pauli Exlcusion Principle Quantum
More informationUnit 3. Chapter 4 Electrons in the Atom. Niels Bohr s Model. Recall the Evolution of the Atom. Bohr s planetary model
Unit 3 Chapter 4 Electrons in the Atom Electrons in the Atom (Chapter 4) & The Periodic Table/Trends (Chapter 5) Niels Bohr s Model Recall the Evolution of the Atom He had a question: Why don t the electrons
More informationLecture 11 Atomic Structure
Lecture 11 Atomic Structure Earlier in the semester, you read about the discoveries that lead to the proposal of the nuclear atom, an atom of atomic number Z, composed of a positively charged nucleus surrounded
More informationChapter 4 Electron Configurations
Chapter 4 Electron Configurations Waves Today scientists recognize light has properties of waves and particles Waves: light is electromagnetic radiation and travels in electromagnetic waves. 4 Characteristics
More informationProperties of Light and Atomic Structure. Chapter 7. So Where are the Electrons? Electronic Structure of Atoms. The Wave Nature of Light!
Properties of Light and Atomic Structure Chapter 7 So Where are the Electrons? We know where the protons and neutrons are Nuclear structure of atoms (Chapter 2) The interaction of light and matter helps
More informationCh. 4 Notes - ELECTRONS IN ATOMS NOTE: Vocabulary terms are in boldface and underlined. Supporting details are in italics.
Ch. 4 Notes - ELECTRONS IN ATOMS NOTE: Vocabulary terms are in boldface and underlined. Supporting details are in italics. I. Light and Quantized Energy A. The Wave Nature of Light 1) the wave nature of
More informationDo Now: Bohr Diagram, Lewis Structures, Valence Electrons 1. What is the maximum number of electrons you can fit in each shell?
Chemistry Ms. Ye Name Date Block Do Now: Bohr Diagram, Lewis Structures, Valence Electrons 1. What is the maximum number of electrons you can fit in each shell? 1 st shell 2 nd shell 3 rd shell 4 th shell
More informationLight. October 16, Chapter 5: Electrons in Atoms Honors Chemistry. Bohr Model
Chapter 5: Electrons in Atoms Honors Chemistry Bohr Model Niels Bohr, a young Danish physicist and a student of Rutherford improved Rutherford's model. Bohr proposed that an electron is found only in specific
More informationChapter 7 QUANTUM THEORY & ATOMIC STRUCTURE Brooks/Cole - Thomson
Chapter 7 QUANTUM THEORY & ATOMIC STRUCTURE 1 7.1 The Nature of Light 2 Most subatomic particles behave as PARTICLES and obey the physics of waves. Light is a type of electromagnetic radiation Light consists
More informationYellow. Strontium red white. green. yellow violet. green. red. Chapter 4. Arrangement of Electrons in Atoms. Table of Contents
Chapter 4 Arrangement of Electrons in Atoms Table of Contents Section 1 Section 2 Section 3 The Development of a New Atomic Model The Quantum Model of the Atom Electron Configurations Sodium Yellow Strontium
More informationElectronic structure the number of electrons in an atom as well as the distribution of electrons around the nucleus and their energies
Chemistry: The Central Science Chapter 6: Electronic Structure of Atoms Electronic structure the number of electrons in an atom as well as the distribution of electrons around the nucleus and their energies
More informationName Date Class ELECTRONS IN ATOMS
Name _ Date Class 5 ELECTRONS IN ATOMS SECTION 5.1 MODELS OF THE ATOM (pages 127 132) This section summarizes the development of atomic theory. It also explains the significance of quantized energies of
More informationElectrons in Atoms. Before You Read. Chapter 4. Review the structure of the atom by completing the following table.
Electrons in Atoms Before You Read Chapter 4 Review the structure of the atom by completing the following table. Part of the Atom Description proton centrally located part of the atom that contains protons
More informationChapter 7. The Quantum- Mechanical Model of the Atom. Chapter 7 Lecture Lecture Presentation. Sherril Soman Grand Valley State University
Chapter 7 Lecture Lecture Presentation Chapter 7 The Quantum- Mechanical Model of the Atom Sherril Soman Grand Valley State University The Beginnings of Quantum Mechanics Until the beginning of the twentieth
More informationElectrons, Energy, & the Electromagnetic Spectrum Notes Simplified, 2-D Bohr Model: Figure 2. Figure 3 UNIT 4 - ELECTRONS & ELECTRON ARRANGEMENT
Electrons, Energy, & the Electromagnetic Spectrum Notes Simplified, 2-D Bohr Model: Figure 1 UNIT 4 - ELECTRONS & ELECTRON ARRANGEMENT Figure 2 Figure 3 The energy is released as electromagnetic radiation.
More informationName Class Date ELECTRONS AND THE STRUCTURE OF ATOMS
Electrons in Atoms ELECTRONS AND THE STRUCTURE OF ATOMS 5.1 Revising the Atomic Model Essential Understanding of an atom. An electron s energy depends on its location around the nucleus Reading Strategy
More informationChapter 7. The Quantum Mechanical Model of the Atom
Chapter 7 The Quantum Mechanical Model of the Atom The Nature of Light:Its Wave Nature Light is a form of electromagnetic radiation composed of perpendicular oscillating waves, one for the electric field
More informationElectrons, Energy, & the Electromagnetic Spectrum Notes
Electrons, Energy, & the Electromagnetic Spectrum Notes Bohr Model Diagram Interpretation What form of EM radiation is released when an electron in a hydrogen atom falls from the 5 th energy level to the
More informationNovember 06, Chapter 7 Atomic Struture. CHAPTER 7 Atomic Structure. Oct 27 9:34 AM ATOMIC STRUCTURE. Oct 27 9:34 AM
CHAPTER 7 Atomic Structure ATOMIC STRUCTURE 1 The Wave Nature of Light Most subatomic particles behave as PARTICLES and obey the physics of waves. Visible light Ultravioletlight Wavelength Frequency (Hertz
More informationChapter 5. Electrons in Atoms
Chapter 5 Electrons in Atoms Warm - Up What kind of light causes you to sunburn? Why does only this type of light burn your skin and not other light? What does sunscreen do on a chemical level? Today s
More informationThe Electron Cloud. Here is what we know about the electron cloud:
The Electron Cloud Here is what we know about the electron cloud: It contains the subatomic particles called electrons This area accounts for most of the volume of the atom ( empty space) These electrons
More informationBackground: The Electromagnetic Spectrum
Background: The Electromagnetic Spectrum Wavelength (λ) in meters wavelength decreasing 10 4 10 2 10 0 10-2 10-4 10-6 10-8 10-10 10-12 10-14 microwaves ultraviolet Gamma rays Radio waves AM 10 4 Shortwave
More informationThe Structure of the Atom Review
The Structure of the Atom Review Atoms are composed of PROTONS + positively charged mass = 1.6726 x 10 27 kg NEUTRONS neutral mass = 1.6750 x 10 27 kg ELECTRONS negatively charged mass = 9.1096 x 10 31
More informationDevelopment of the Periodic Table. Chapter 5. Light and the EM Spectrum. Light
Chapter 5 Periodic Table Song Periodicity and Atomic Structure Development of the Periodic Table Mid-1800 s, several scientists placed known elements in order based on different criteria. Mendeleev s and
More informationLIGHT AND THE QUANTUM MODEL
LIGHT AND THE QUANTUM MODEL WAVES Wavelength ( ) - length of one complete wave Frequency ( ) - # of waves that pass a point during a certain time period hertz (Hz) = 1/s Amplitude (A) - distance from the
More informationBohr Diagram, Lewis Structures, Valence Electrons Review 1. What is the maximum number of electrons you can fit in each energy level or shell?
AP Chemistry Ms. Ye Name Date Block Bohr Diagram, Lewis Structures, Valence Electrons Review 1. What is the maximum number of electrons you can fit in each energy level or shell? 1 st shell 2 nd shell
More informationCHAPTER 5 Electrons in Atoms
CHAPTER 5 Electrons in Atoms 5.1 Light & Quantized Energy Was the Nuclear Atomic model incomplete? To most scientists, the answer was yes. The arrangement of electrons was not determined > Remember...the
More informationThe Bohr Model Bohr proposed that an electron is found only in specific circular paths, or orbits, around the nucleus.
5.1 The Development of Atomic Models Rutherford s atomic model could not explain the chemical properties of elements. Rutherford s atomic model could not explain why objects change color when heated. The
More informationWAVE NATURE OF LIGHT
WAVE NATURE OF LIGHT Light is electromagnetic radiation, a type of energy composed of oscillating electric and magnetic fields. The fields oscillate perpendicular to each other. In vacuum, these waves
More informationCh 7 Quantum Theory of the Atom (light and atomic structure)
Ch 7 Quantum Theory of the Atom (light and atomic structure) Electromagnetic Radiation - Electromagnetic radiation consists of oscillations in electric and magnetic fields. The oscillations can be described
More informationThe Development of Atomic Theory
The Development of Atomic Theory Democritus (400 BC) John Dalton (1803) J.J. Thomson (1897) Ernest Rutherford (1911) James Chadwick (1932) - suggested that matter is composed of indivisible particles called
More informationChapter 7. Quantum Theory and Atomic Structure
Chapter 7 Quantum Theory and Atomic Structure Outline 1. The Nature of Light 2. Atomic Spectra 3. The Wave-Particle Duality of Matter and Energy 4. The Quantum-Mechanical Model of the Atom 3 September
More informationUnit 3: Electron configuration and periodicity
Unit 3: Electron configuration and periodicity Group 1 BOHR MODELS Group 18 H Group 2 Group 13 Group 14 Group 15 Group 16 Group 17 He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca His theory couldn t
More informationCHEMISTRY - TRO 4E CH.7 - THE QUANTUM-MECHANICAL MODEL OF THE ATOM
!! www.clutchprep.com CONCEPT: THE NATURE OF LIGHT Visible light represents a small portion of the continuum of radiant energy known as. The visible light spectrum ranges from to. Its wave properties of
More informationChapter 5. The Electromagnetic Spectrum. What is visible light? What is visible light? Which of the following would you consider dangerous?
Which of the following would you consider dangerous? X-rays Radio waves Gamma rays UV radiation Visible light Microwaves Infrared radiation Chapter 5 Periodicity and Atomic Structure 2 The Electromagnetic
More information5.111 Lecture Summary #3 Monday, September 8, 2014
5.111 Lecture Summary #3 Monday, September 8, 2014 Reading for today: Section 1.2 and Section 1.4 with a focus on pgs 10-12 (4 th ed or 5 th ed). Read for Lecture 4: Section 1.5 The Wave-Particle Duality
More informationElectromagnetic spectrum Electromagnetic radiation
Chapter 4 Section 1 Electromagnetic spectrum includes all the different wave lengths of radiation. Electromagnetic radiation is a form of energy that exhibits wave like behavior as it travels through space.
More informationThe relationship between these aspects is described by the following equation: E = hν =
1 Learning Outcomes EXPERIMENT A10: LINE SPECTRUM Upon completion of this lab, the student will be able to: 1) Examine the line spectrum of the hydrogen atom. 2) Calculate the frequency and energy of the
More informationAtomic Structure and the Periodic Table
Atomic Structure and the Periodic Table The electronic structure of an atom determines its characteristics Studying atoms by analyzing light emissions/absorptions Spectroscopy: analysis of light emitted
More informationCHAPTER 4 10/11/2016. Properties of Light. Anatomy of a Wave. Components of a Wave. Components of a Wave
Properties of Light CHAPTER 4 Light is a form of Electromagnetic Radiation Electromagnetic Radiation (EMR) Form of energy that exhibits wavelike behavior and travels at the speed of light. Together, all
More informationCVB102 Lecture 1 - Chemical Structure and Reactivity. Contact Information: Dr. Bill Lot Electronic Structure of Atoms
CVB102 Lecture 1 - Chemical Structure and Reactivity Contact Information: Dr. Bill Lot b.lott@qut.edu.au Electronic Structure of Atoms Text: Blackman, et al Pp. 127-147 (Pp. 148-159 recommended) The periodic
More informationSCH4U: History of the Quantum Theory
SCH4U: History of the Quantum Theory Black Body Radiation When an object is heated, it initially glows red hot and at higher temperatures becomes white hot. This white light must consist of all of the
More informationAP Chemistry. Chapter 6 Electronic Structure of Atoms
AP Chemistry Chapter 6 Electronic Structure of Atoms Section 6.1 Wave Nature of Light When we say "light," we generally are referring to visible light a type of electromagnetic radiation But actually Visible
More informationLecture 6 - Atomic Structure. Chem 103, Section F0F Unit II - Quantum Theory and Atomic Structure Lecture 6. Lecture 6 - Introduction
Chem 103, Section F0F Unit II - Quantum Theory and Atomic Structure Lecture 6 Light and other forms of electromagnetic radiation Light interacting with matter The properties of light and matter Lecture
More informationChapter 4 Arrangement of Electrons in Atoms. 4.1 The Development of a New Atomic Model
Chapter 4 Arrangement of Electrons in Atoms 4.1 The Development of a New Atomic Model Properties of Light Electromagnetic Radiation: EM radiation are forms of energy which move through space as waves There
More informationElectrons in Atoms. Section 5.1 Light and Quantized Energy Section 5.2 Quantum Theory and the Atom Section 5.3 Electron Configuration
Electrons in Atoms Section 5.1 Light and Quantized Energy Section 5.2 Quantum Theory and the Atom Section 5.3 Electron Configuration Click a hyperlink or folder tab to view the corresponding slides. Exit
More informationQuantum Theory of the Atom
The Wave Nature of Light Quantum Theory of the Atom Electromagnetic radiation carries energy = radiant energy some forms are visible light, x rays, and radio waves Wavelength ( λ) is the distance between
More informationThe Quantum Mechanical Atom
The Quantum Mechanical Atom CHAPTER 7 Chemistry: The Molecular Nature of Matter, 6 th edition By Jesperson, Brady, & Hyslop CHAPTER 8: Quantum Mechanical Atom Learning Objectives q Light as Waves, Wavelength
More informationHonors Ch3 and Ch4. Atomic History and the Atom
Honors Ch3 and Ch4 Atomic History and the Atom Ch. 3.1 The Atom is Defined 400 B.C. the Greek philosopher Democritus said that the world was made of two things: Empty space and tiny particles called atoms
More informationElectronic Structure of Atoms. Chapter 6
Electronic Structure of Atoms Chapter 6 Electronic Structure of Atoms 1. The Wave Nature of Light All waves have: a) characteristic wavelength, λ b) amplitude, A Electronic Structure of Atoms 1. The Wave
More informationChapter 7: The Quantum-Mechanical Model of the Atom
C h e m i s t r y 1 A : C h a p t e r 7 P a g e 1 Chapter 7: The Quantum-Mechanical Model of the Atom Homework: Read Chapter 7. Work out sample/practice exercises Check for the MasteringChemistry.com assignment
More informationEx: N has 5 valence electrons, so it s Lewis structure would look like: N
Chemistry Ms. Ye Review: Bohr Model of the Atom Name Date Block Electrons are shown in concentric shells or energy levels around the nucleus o The first shell can hold up to o The second shell can hold
More informationQuick Review. 1. Kinetic Molecular Theory. 2. Average kinetic energy and average velocity. 3. Graham s Law of Effusion. 4. Real Gas Behavior.
Quick Review 1. Kinetic Molecular Theory. 2. Average kinetic energy and average velocity. 3. Graham s Law of Effusion. 4. Real Gas Behavior. Emission spectra Every element has a unique emission spectrum
More information2) The energy of a photon of light is proportional to its frequency and proportional to its wavelength.
Advanced Chemistry Chapter 13 Review Name Per Show all work Wave Properties 1) Which one of the following is correct? A) ν + λ = c B) ν λ = c C) ν = cλ D) λ = c ν E) νλ = c 2) The energy of a photon of
More informationName Date Class MODELS OF THE ATOM
Name Date Class 5.1 MODELS OF THE ATOM Section Review Objectives Identify inadequacies in the Rutherford atomic model Identify the new assumption in the Bohr model of the atom Describe the energies and
More informationPreview. Atomic Physics Section 1. Section 1 Quantization of Energy. Section 2 Models of the Atom. Section 3 Quantum Mechanics
Atomic Physics Section 1 Preview Section 1 Quantization of Energy Section 2 Models of the Atom Section 3 Quantum Mechanics Atomic Physics Section 1 TEKS The student is expected to: 8A describe the photoelectric
More informationEnergy levels and atomic structures lectures chapter one
Structure of Atom An atom is the smallest constituent unit of ordinary matter that has the properties of a element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Atoms are
More informationChapter 6: The Electronic Structure of the Atom Electromagnetic Spectrum. All EM radiation travels at the speed of light, c = 3 x 10 8 m/s
Chapter 6: The Electronic Structure of the Atom Electromagnetic Spectrum V I B G Y O R All EM radiation travels at the speed of light, c = 3 x 10 8 m/s Electromagnetic radiation is a wave with a wavelength
More information--Exam 3 Oct 3. are. absorbed. electrons. described by. Quantum Numbers. Core Electrons. Valence Electrons. basis for.
Chapter 7 Announcements Quantum Theory and Atomic Structure --Exam 3 Oct 3 --Chapter 7/8/9/10 Chapter 7: Skip Spectral Analysis p. 226-227. Skip calculations for de Broglie and Heisenburg, conceptual understanding
More informationElectrons hold the key to understanding why substances behave as they do. When atoms react it is their outer pars, their electrons, that interact.
Electronic Structure of Atoms The Wave Nature of Light Electrons hold the key to understanding why substances behave as they do. When atoms react it is their outer pars, their electrons, that interact.
More informationEinstein. Quantum Physics at a glance. Planck s Hypothesis (blackbody radiation) (ultraviolet catastrophe) Quantized Energy
Quantum Physics at a glance Quantum Physics deals with the study of light and particles at atomic and smaller levels. Planck s Hypothesis (blackbody radiation) (ultraviolet catastrophe) Quantized Energy
More informationProvide a short and specific definition in YOUR OWN WORDS. Do not use the definition from the book. Electromagnetic Radiation
Name: Provide a short and specific definition in YOUR OWN WORDS. Do not use the definition from the book Additional Notes: Electromagnetic Radiation Electromagnetic Spectrum Wavelength Frequency Photoelectric
More informationUNIT 4 Electrons in Atoms. Advanced Chemistry 235 Lanphier High School Mr. David Peeler
UNIT 4 Electrons in Atoms Advanced Chemistry 235 Lanphier High School Mr. David Peeler Section 4.1 Models of the Atom OBJECTIVES: Identify the inadequacies in the Rutherford atomic model. Section 4.1 Models
More information10/27/2017 [pgs ]
Objectives SWBAT explain the relationship between energy and frequency. SWBAT predict the behavior of and/or calculate quantum and photon energy from frequency. SWBAT explain how the quantization of energy
More informationChapter 5 Models of the Atom
Chapter 5 Models of the Atom Atomic Models Rutherford used existing ideas about the atom and proposed an atomic model in which the electrons move around the nucleus. However, Rutherford s atomic model
More informationToday is Thursday, March (!) 1 st, 2018
In This Lesson: Atomic Emissions (Lesson 2 of 4) Stuff You Need: Calculator Today is Thursday, March (!) 1 st, 2018 Pre-Class: [choose one] What is white light? How are fireworks made to be different colors?
More informationDuncan. Electrons, Energy, & the Electromagnetic Spectrum Notes Simplified, 2-D Bohr Model: Figure 1. Figure 2. Figure 3
Electrons, Energy, & the Electromagnetic Spectrum Notes Simplified, 2-D Bohr Model: Figure 1 Figure 2 Figure 3 Light Calculation Notes Here s how the type/form of EM radiation can be determined The amount
More informationLight, Electrons, and Energy. Pre-AP
Light, Electrons, and Energy Pre-AP Light Waves! Electromagnetic Frequency Light Phenomenon Light can act as a wave or as a particle, but most light-electron interactions use wave physics. = greek letter
More informationChapter 5. Electrons in Atoms
Chapter 5 Electrons in Atoms Warm - Up What kind of light causes you to sunburn? Is that the only light that the sun emits? What does sunscreen do on a chemical level? Today s Agenda Question of the day:
More informationName Date Class MODELS OF THE ATOM
5.1 MODELS OF THE ATOM Section Review Objectives Identify inadequacies in the Rutherford atomic model Identify the new assumption in the Bohr model of the atom Describe the energies and positions of electrons
More information