Chapter 2 Slides - No Clicker Qs

Chapter 2 Slides - No Clicker Qs - How do you tell when...

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Unformatted text preview: How do you tell when youre out of invisible ink?- Steven Wright Question (1pt) How do we know that atoms exist? a) there are new types of instruments that can take pictures of atoms; we can literally see them. b) we have indirect evidence that allows us to conclude that atoms exist; even though we cant see atoms, there is experimental evidence that we can observe that confirms atoms do exist. c) the existence of atoms is only confirmed by mathematical calculations; there is no experimental evidence confirming the existence of atoms. d) we dont really know if atoms exist or not, the idea of atoms is just an unproven theory. Clicker Case Study: Structure of the Atom 1. Where did the idea of atoms originate? 2. What is the evidence that allows us to conclude that atoms exist? 3. How have our models of the atom evolved over time? Democritus Atomism (5th Century BCE) Daltons Atomic Theory (1805) 1. Matter is composed of indivisible particles called atoms....
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Chapter 2 Slides - No Clicker Qs - How do you tell when...

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