1. NAT SCI 211 - CHEMISTRY Engr. Jose Felimar B. ValenzuelaInstructor, DBC 2. COURSE INFORMATION Course Code:NAT SCI 211 Credit Units: 3 units No. of Hours: 3 hours…

Slide 1 Atomic Structure Chapter 4.1 Slide 2 The Nature of Scientific Models o Tend to change over time:  Problems are discovered and explored New information becomes…

Slide 1 Chapter 71 Atomic Structure Chapter 7 Slide 2 2 Electromagnetic Radiation -Visible light is a small portion of the electromagnetic spectrum Slide 3 Chapter 73 Frequency…

Slide 1 Atomic Structure Chapter 4 Slide 2 Dalton’s Atomic Theory All elements are composed indivisible particles called atoms All elements are composed indivisible particles…

Slide 1 ELECTRICITY & MAGNETISM (Fall 2011) LECTURE # 2 BY MOEEN GHIYAS Slide 2 TODAY’S LESSON (Chapter 1 – Physical Measurements, Atomic Structure Chapter 22 / 23…

Atomic Structure Chapter 4 Atomic Structure Studying Atoms 4.1 Ancient Greek Models of Atoms Democritus Believed that all matter was made of small particles that could not…

Chapter 4 Atomic Structure Chapter 4 Atomic Structure 1 Section 4.1 â Studying Atoms Democritus believed that all matter consisted of extremely small particles that could…

Chapter 4 â Atomic Structure Chapter 4 â Atomic Structure 4. 1-2 4.1 Defining the Atom What is an atom? How can we define, study, and believe in something we canât see?…

Chapter 3 Atomic Structure Chapter 3 Atomic Structure 3-1 Early Models of the Atom 3-2 Discovering Atomic Structure 3-3 Modern Atomic Theory 3-4 Changes in the Nucleus 3-1…

Chapter 4 Atomic Structure Chapter 4 âAtomic Structureâ Pre-AP Chemistry Charles Page High School Stephen L. Cotton Section 4.1 Defining the Atom OBJECTIVES: Describe Democritusâs…