1. Chemistry Unit Three Atomic Structure 2. A Brief History of the Atomic Theory 3. Democritus 400 B.C. Greek philosopherCoined the term “atomos” which means,Indivisible…

Slide 1 J.J. Thomson Discoverer of the Electron Slide 2 Background Information Cathode Rays Form when high voltage is applied across electrodes in a partially evacuated tube.…

Slide 1 Slide 2 JEOPARDY Third Nine Weeks- 9 weeks review Slide 3 ElDoradoHighSchoolAZTECS 100 200 300 400 500 Slide 4 A: electron S2C04 Jeopardy Review The cathode ray experiments…

Slide 1 ELECTRICITY Chapters 22 - 23 Slide 2 Electric charge Electron theory of charge –Ancient mystery: “Amber effect” –J. J. Thompson: identified negatively charged…

Slide 1 Dual Nature of Light. Light Quanta Slide 2 Photoelectric Effect Slide 3 Photoelectric effect Ejection of electrons from metal surfaces by photon impact Minimum photon…

Slide 1 Atomic Physics Slide 2 Atomic structure discovered Ancient Greeks Democritus (460-362 BC) - indivisible particles called “atoms” Prevailing argument (Plato and…

Slide 1 1 CHAPTER 3: Energy in bound system is quantized, light comes in quanta of energy / particles called photons As far as I can see, our ideas are not in contradiction…

The Atom Early Theories & Subatomic Particles (4.1-4.2) Objectives Describe the evolution of the atom from Daltonâs time to Rutherfordâs. Define and describe the structure…

J.J. Thomson Discoverer of the Electron Background Information Cathode Rays Form when high voltage is applied across electrodes in a partially evacuated tube. Originate at…