'Emission spectrum' diaporamas de présentation

Quanta, Light, and Electron Configurations

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Chapter 12

Chapter 12. Sections 12.6 to 12.10 Wavelength. Light. The study of light led to the development of the quantum mechanical model. Light is a kind of electromagnetic radiation.

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Chapter 2 Light and Matter

Chapter 2 Light and Matter. Chapter 2 Part One. Ideas in Chapter 2. Information from the Skies Waves in What? The Electromagnetic Spectrum Thermal Radiation Spectroscopy The Formation of Spectral Lines The Doppler Effect. Question 1. a) gamma rays b) infrared c) sound

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Chapter 9 Atomic Absorption and Atomic Fluorescence Spectrometry

Chapter 9 Atomic Absorption and Atomic Fluorescence Spectrometry.

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ATOMIC STRUCTURE

ATOMIC STRUCTURE. Atomic Structure. All matter is composed of atoms . Understanding the structure of atoms is critical to understanding the properties of matter. HISTORY OF THE ATOM. John Dalton. 1808.

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Chapter 30

Chapter 30. Light Emission. Radio waves are produced by. electrons moving up and down an antenna. Visible light is produced by. electrons changing energy states in an atom. 1. EXCITATION. Bohr Planetary Model of the Atom.

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Chpt. 3: Arrangement of Electrons in The Atom

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BELLWORK 10/30/18

BELLWORK 10/30/18. Is light a wave or a particle?. OBJECTIVES. Students will be able to explain how light behaves as a light and a wave Students will be able to explain how the emission of light is related to the behavior of electrons.

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Double Jeopardy Astronomy

Double Jeopardy Astronomy. Created by Mildred. Final DOUBLE Jeopardy. Spectrum. Misc . Killer Ques. Stuff. Huh?. $200. $200. $200. $200. $200. $400. $400. $400. $400. $400. $600. $600. $600. $600. $600. $800. $800. $800. $800. $800. $ 1000. $ 1000. $1000. $1000.

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Light and Telescopes

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Chapter 7: Completing the Model of the Atom

Chapter 7: Completing the Model of the Atom. Class Activity (there is no BW). Send 1 student from your team to pick up enough white boards and markers for each person. 1 paper towel per team Draw a Bohr model for the element I assign to you. Class Activity (there is no BW).

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A. F. Ioffe Physicotechnical Institute , St. Peterburg, Russia

A. F. Ioffe Physicotechnical Institute , St. Peterburg, Russia. Time-resolved study of the level-anticrossing effect in exciton emission. A. S. Yakunenkov, A. N. Starukhin, D. K. Nelson, B. S. Razbirin. CONTENS. The level-anticrossing effect.

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Electron Microscopes

Electron Microscopes. 27-7. Developed in the 1950s Two Dimensional Image Electrons are accelerated by a Voltage of 10 5 V These Electrons have a wavelength of about .004nm Practical resolution is .1 to .5nm This is still 10 3 better than visible light 400-800nm.

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HN ADVANCED CHEMISTRY II

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Luminescence

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Three Types of Spectra

Three Types of Spectra. Hydrogen. Hydrogen and Helium. Hydrogen. Helium. Nitrogen and Krypton. Nitrogen. Krypton. Argon and Mercury. Argon. Mercury. Neon. What do you notice about the spectrum for each of the elements?. They are unique to each element. .

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Lecture 16

The Hydrogen Atom. Quantum Theory of Atom. Atomic Spectra The Bohr Model of the Atom Quantum Theory of Atom. Lecture 16. Atomic Spectra. When an electric current is passed through a gas, electrons in the gas atoms absorb energy from the current.

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EMISSION AND ABSORPTION SPECTRA

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Triboluminescence

Triboluminescence. Greek tribein (to rub) + Latin lumin (light) Light emitted when certain materials are rubbed, sawed, or struck. Mechanical stress separates charges Separated charges produce large electric field Accumulated charges jump gap, collide with nitrogen in air

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Measuring Fluorescence from Quinine in Tonic Water

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