PowerPoint Presentation Elements and the Periodic Table Classification is arranging items into groups or categories according to some criteria. The act of classifying creates…

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Atomic Structure & the Periodic Table Democritus (460-370 BC) The first to propose that matter was not infinitely indivisible Believed that matter was made up of atomos…

CHEM ISTRY The structure of the atom (chapter 4) Atomic Theories A timeline⦠Early Greek theory or as you may prefer to remember it⦠Democritus (Greek~400B.C.) I believe…

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Atomic Structure and Electron Configurations Chemistry I Honors J. Venables Northwestern High School Atomic Structure and the Periodic Table John Dalton’s Atomic Theory:…

Did you practice your conversions today? * * Classifications of Matter Pure Substances: Matter that has a fixed or definite composition Elements Composed of only one type…

PowerPoint Presentation Unit 3 â Atomic Structure Bravo â 15,000 kilotons 1 Democritus 400 BC Greek philosopher 1st to come up with idea of atoms 2 John Dalton â 1800âs…

Studying atoms Studying atoms Ch. 4.1 1 True False Statement True False Daltons atomic theory said all matter is made of atoms, which can be divided Thomsonâs atomic model,…