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Slide 1Chapter 4 Atomic Structure Pre-AP Chemistry Charles Page High School Stephen L. Cotton Slide 2 Section 4.1 Defining the Atom OBJECTIVES: OBJECTIVES: Describe Democrituss…
Slide 1Mr Nelson Slide 2 Slide 3 The Greek philosopher Democritus began the search for a description of matter more than 2400 years ago. He asked: Could matter be divided…
Slide 1Kinetic theory & the behaviour of gases Thursday 25 th March Slide 2 Learning outcomes use a particle model to describe solids, liquids, gases & changes…
Slide 1Page 1 EVIDENCE FOR EVOLUTION SBI 3U Slide 2 Page 2 Evidence for Evolution ‘Theory of evolution by natural selection’ called… “the greatest idea anybody has…
1. HISTORICAL BACKGROUND ON THE DEVELOPMENT OF THE ATOMIC THEORY 2. DEVELOPMENT OF THE ATOMIC THEORY DEMOCRITUS (460-370 BC) Democritus (460-370 BC) First proposed…
1. N IELS B O H R The structure of the atom Nobel Lecture, December 11, 1922 Ladies and Gentlemen. Today, as a consequence of the great honour the Swedish Academy of Sciences…