'Modern atomic theory' diaporamas de présentation

Atoms Chapter 4

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Ch5 Modern Atomic Theory

Ch5 Modern Atomic Theory. Mrs. Medina. Why do metals glow when heated?. Models of the Atom. A model should explain not just what the material is made of (composition) but also how it is going to behave (changes).

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The Atom and the Periodic Table

The Atom and the Periodic Table. Chapter 10 and Chapter 11. Objectives. SPI 0807.9.1 Recognize that all matter consists of atoms I can: I can recognize that all matter is made of atoms. I can identify the parts of an atom.

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Atoms: The Building Blocks of Matter

Atoms: The Building Blocks of Matter. The particle theory of matter was supported as early as 400 BC by the Greeks (Democritus) He called these particles atoms (Greek for indivisible) Aristotle followed Democritus and felt that matter was continuous. Foundations of Atomic Theory.

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Introduction to Atoms

Introduction to Atoms. Chapter 11 Material on Midterm. Where is it?. How do we get information about items that we cannot see?. Section 1: Development of the Atomic Theory. Objectives Describe some of the experiments that led to the current atomic theory

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Chapter 11 Modern Atomic Theory

Chapter 11 Modern Atomic Theory. Electromagnetic Radiation. Light is a form of electromagnetic (EM) radiation All forms of EM radiation are types of kinetic energy See page 306. EM Radiation. EM radiation can be described as traveling in waves or as packets of energy called photons.

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Chapter 11 Modern Atomic Theory

Chapter 11 Modern Atomic Theory. Electromagnetic Radiation. Light is a form of electromagnetic (EM) radiation All forms of EM radiation are types of kinetic energy See page 306. EM Radiation. EM radiation can be described as traveling in waves or as packets of energy called photons.

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Atomic Structure

Atomic Structure. www.lab-initio.com. Expectations. Modern Atomic Theory. All matter is composed of atoms Atoms cannot be subdivided, created, or destroyed in ordinary chemical reactions . However, these changes CAN occur in nuclear reactions!

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The Birth of Atomic Theory

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Atomic Structure

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Atomic Structure

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Chemistry

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Quantum Physics

Quantum Physics. Quantum Mechanics and atomic structure. Electron probability rather than orbit or trajectory. Probability, not destiny. Diffraction and interference. Wavelength ?=h/mv Atomic structure is just wave solutions in a potential well. Electron has wave properties.

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Modern Atomic Theory

Modern Atomic Theory. The Quantum Mechanical Model. Blackbody Radiation. The Reluctant Revolutionary. Max Planck (1858-1947) Studied the profile of electromagnetic radiation emitted from a solid body heated to incandescence (black body radiation) ?E = h?. Enter the Quanta.

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Chapter 2

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History

History. Democritus - First to use the term atom Aristotle - Defined matter as composed of hot, cold, wet and dry John Dalton - Modern Atomic Theory and Law of Multiple Proportions Antoine Lavoisier - Law of conservation of mass Joseph Proust - Law of Definite Proportions

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Chapter 3

Atoms: The Building Blocks of Matter. Chapter 3. Section 1 .

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