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Section III: A World of Particles
Lesson 11 Atomic Pudding Lesson 12 Atoms By Numbers Lesson 13 Subatomic Heavyweights Lesson 14 Isotopia Lesson 15 Nuclear Quest Lesson 16 Old Gold
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Lesson 11: Atomic Pudding
Models of the Atom (start on a new RIGHT side and add to table of contents)
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Key Question (right side)
How are the smallest bits of matter described? Objectives: describe the development of the current atomic model describe and draw an atomic model
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Lesson 11 notes: (right side)
Atom: The smallest unit of an element that retains the chemical properties of that element.
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Notes (cont.) Do not copy The Atomic Model Through Time
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Notes (cont.) a.) Models of the atom changed as new evidence was gathered Current Model of the atom: Know this!!
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Notes (cont.) b.) Parts of an atom Nucleus: Center of atom
Contains protons and neutrons VERY small, very dense Proton: Positive (+) charge Found in nucleus Neutron: NO charge or neutral (0)
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Notes (cont.) Electron: Negative charge (-) Smallest particle
Move very fast around the outside of the nucleus
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Check-in 11 Here is a model of a carbon atom.
1. List two things this model tells you about the carbon atom. 2. List something this model does not tell you about the carbon atom.
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