PPT-Atoms and Atomic Theory

At the end of this lesson you need to draw a diagram for each model showing the evolution of atomic theory PlumPudding Model Rutherford Atom RutherfordBohr Atom ChargeCloud Model. Section 4.2. Objectives. State the three . subparticles. of atoms. State the charges of the . subparticles. Describe the composition of an atom. Atom. Fundamental particles which make up matter. The smallest particle of an element that retains (keeps) its identity in a chemical reaction. , Austin. Dalton’s Atomic theory. John . D. alton (1766-1844) developed an atomic theory that proposed that atoms were responsible for the combinations of elements found in compounds.. Who was he?. The Building Blocks of Matter. Chapter 2. Chapter Outline. 2.1 The . Rutherford Model of . Atomic Structure. 2.2. . Nuclides and Their Symbols. 2.3 . Navigating the Periodic Table. 2.4 The . Masses of Atoms, Ions, and Molecules. by . Tiffany, Katelyn, Veronica, . Kole. John Dalton (1766-1844). John Dalton was born into a Quaker Family.. Born: September 6. th. , 1766 in Cumberland, England. He was an English . Meteorologist and then. Chemistry. Videos . Atomic Theory: Dalton, Democritus, Thomson, Rutherford, and Quantum. History of the . atom. . History of the atom Video #2. The Development of the Atomic Theory. J.J. Thomson . Contribution. There are about 100 different types of atoms. An element is a substance which contains only one type of atom. Atoms. Atoms. The Periodic Table. The Periodic Table. Element, Compound, Mixture. Element, Compound, Mixture. Principal Source:. Boltzmann’s Atom. David Lindley, The Free Press, . New York 2001. Atom. Greek ‘Uncutable’ . Universe composed of indivisible objects. Philosophy and Atomic Theory. Titus Lucretius . Chapter 3. Types of Models – Why do we use models?. Physical Model vs. Conceptual Model. Physical model. is a representation of a very large or small object shown at a convenient scale. . The atom: from philosophy to scientific theory . 400 BC . – . Democritus. came up with the idea of the . ________. Nature’s . basic particle. ______________. His ideas were not useful in explaining chemical behavior because . What is Today’s Model?. Dense, Positively Charged Nucleus. Mostly. Empty. Space. Negatively Charged. Electron Cloud. Most Probable Location of the Electrons. Composed of Protons, Neutrons, and Electrons. Matter describes anything that has . mass. and . volume. Can matter be invisible? . YES. Ex. . Air. Matter and Atoms. History of atoms. Democritus. Was a . Greek. philosopher in . 400 BC. Thought the universe was made of . What are Atoms?. Atoms. are the building blocks of matter made up of Protons, Neutrons & Electrons.. Inside the Atom. A . proton. is a positively charged (+) particle in the center of the atom. DE Chemistry. Dr. Walker. Timeline. B.C.. 400 B.C. . Demokritos. and . Leucippos. . use the term ". atomos. ” . 1500's. Georg Bauer: systematic metallurgy. Paracelsus: medicinal application of minerals. In your notes…. Draw a model of an atom that best represents each component of that atom.. Foundations of Atomic Theory. Particle Theory of Matter. Democritus in 400 B.C.. Stated that nature’s basic particle was the atom (“indivisible” in Greek). .