Atoms Greek Atomic Model Democritus (400 BC) Named the atom Atom cannot be divided Daltonâs Atomic Theory 1803 All elements are composed of atoms (not divisible) Atoms of…

History of Study of Matter The Discovery of the Quark Mac Mestayer, Jlab the discovery of the nucleus - “Rutherford scattering” method: measure scattering rates vs. angle…

Atoms Greek Atomic Model Democritus (400 BC) Named the atom Atom cannot be divided Daltonâs Atomic Theory 1803 All elements are composed of atoms (not divisible) Atoms of…

Today is Today is Thursday, September 24th, 2015 In This Lesson: Unit 2 Electrons, Orbitals, and Atomic Model History (Lesson 1 of 4) Pre-Class: In your notebooks, draw a…

ATOMIC STRUCTURE ATOM - smallest part of an element that can exist by itself. Cannot be created nor destroyed The ATOM 400 B.C.- Democritus- invisible atom Earth Water Air…

PowerPoint Presentation Atomic Theory Development Summary for Dalton’s Atomic Theory (Father of the Modern Atomic Theory) All atoms of a single element have the same mass…

Slide 1 Models of Atomic Structure Dalton Model Unbreakable neutrally charged spheres. Thomsonâs Cathode Ray Experiment Cathode rays originate from neutrally charged atoms.…

History of the Atomic Model How the model of the atom has changed or evolved over time Definition of an Atom The smallest particle of an element There are 2,000 billion billion…