Relating to Describing Concerning Visualized by Bulit upon by
Instructional
Key Questions: 1. What has caused atomic theory to change over time? 2. What charge does a proton have? 3. What is the purpose of the neutron in the nucleus of an atom? 4. Where are the electrons located in an atom? 5. What is the “modern model” of atomic structure?
Strategies
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• The Unit Organizer •
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10Expanded
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Atomic Theory & Structure
NAME DATE
Unit Map
Atomic Theory The history of the Atom and its structure
Started with *_____________ (Un-cuttable) *Dalton 1803
Modern Model •
Protons
Electrons •
• *Thomson
Unit Questions • and Reflections
*_______________ (goldfoil) *_______________ (orbits like planets) *______________ & ______________ Modern model
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Subatomic particle with a ________charge Located in the _________ of Atom Protons = _________# Mass of a proton = mass of a ___________
Neutrons • • •
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Subatomic particle ___________charge Located in the _____________ Mass of a Neutron = Mass of a ____________
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Small with ___________ electrical charge Located in the ________ outside of the ___________ Electrons = ____________ __________ size of a Proton
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Electron _________ instead of _________ Location of electron is not known exactly __________ credited with this model