PPT-Chemistry: Unit 2 Part One: Atomic Theory (Idea to Theory)

I Foundations of the Atomic Theory A 400 BC Democritus 1 Defined natures basic particles as atoms a means indivisible B 350 BC Aristotle 1 said matter was made of the 4 elements. Outline. Metasemantics. The Conformal Theory. The Idea Theory. Problems for the Idea Theory. Summary. 1. metasemantics. The Meaningless World. Most things in the world don’t have meanings. Rivers and lakes and trees and rocks and planets and black holes and electrons… none of these things have meanings. . Chemistry Rules!. Philosophical Era . (Ancient Greece). Two ancient Greeks stand out in the advancement of chemistry. . Their ideas were purely based on reason, without experimental support (as was common in that time). Review from last time. Metasemantics. Theories of Meaning. The Conformal Theory. The Idea Theory. The Resemblance Theory. Berkeley. General terms/. Abstract ideas. Locke on General Terms. “. It is not enough for the perfection of language, that sounds can be made signs of ideas, unless those signs can be so made use of as to comprehend several particular . Matter. Chemistry: study of matter. Matter: any thing that has mass . 3 phases: solid, liquid, gas. Both living organisms and non living things are made up of matter. Atom. The atom is the basic unit of matter. 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. . Science is based off of observations.. A Scientific Law is a summary of what is seen in observations. . A Scientific Theory is an explanation of why these observations are occurring.. Both laws and theories are tested by using them to predict what would happen in certain situations.. • What is “Inorganic Chemistry”?. . - descriptor or professional subfield. . - same as “General Chemistry”?. • Highlights from the inorganic timeline. . - Lavoisier: origin of modern chemistry. 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 . Edition. Chapter 1. A Review of General Chemistry: Electrons, Bonds, and Molecular Properties. David Klein. Copyright © . 2017 . John Wiley & Sons, Inc. All rights reserved.. Klein, Organic Chemistry . How and why has the Atomic Theory changed over time? . How can we describe the molecular motion of the states of matter? . Objectives. Students will explain that atoms are the smallest unit of an element and are composed of subatomic particles.. Dr John Mitchell. ID1004: Approaches to Reality. For Years People Wondered …. What is the World Made of?. What is Matter?. I. s Water Made of the Same Stuff as Rock?. Is Matter Continuous?. Is Matter Continuous?. Oxygen, Water, Penicillin, . Carbon Dioxide, Rust and More. . or. Odds and ends of chemistry that should provide insight into chemistry. Intriguing ideas including the . iso. words (isotopes, isomers). Science is based off of observations.. A Scientific Law is a summary of what is seen in observations. . A Scientific Theory is an explanation of why these observations are occurring.. Both laws and theories are tested by using them to predict what would happen in certain situations.. history. A 100,000-year-old ochre-processing workshop was found at . Blombos. Cave in South Africa. It indicates that early humans had an elementary knowledge of chemistry. Paintings drawn by early humans consisting of early humans mixing animal blood with other liquids found on cave walls also indicate a small knowledge of chemistry.