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TFSD Unwrapped Standard 2 11 – 12 Chemistry Power Standard (s) Reference: 2 State Standard: None District Standard: 2 TFSD Power Standard: Students will identify the structure of the atom and the electron configuration Concepts: Need to know about (Nouns) Democritus, Dalton, Thomson, Rutherford, Millikan Gold foil experiment Cathode ray Atom Proton, neutron, electron Atomic number Mass number Isotope Ions Electron configuration Orbitals Quantum theory Sublevels Electromagnetic spectrum Waves Frequency Ground and excited states Skills: Be able to do (Verb Phrases) Explain how the scientists discovered the parts of the atom Diagram the electron configuration Identify the parts of the atom and where they are located Describe how waves and particles relate to electrons Differentiate between atoms, ions, and isotopes Identifying Big Ideas from Unwrapped Standards: 1. Different scientists contributed to the understanding of the atom 2. Atoms are composed of protons and neutrons in the nucleus and electrons which travel around the nucleus 3. Atomic number, mass number, and charge are based on the number of protons, neutrons, or electrons within an atom 4. The electromagnetic spectrum and waves help us to understand how electrons are arranged around the nucleus 5. Electron configuration is a method to identify where electrons are located according to their level, sublevel, and orbital Essential Questions from Big Ideas to Guide Instruction and Assessment: 1. How was the understanding of the atom developed? 2. What are the parts of the atom and where are they located? 3. How does the number of protons, neutrons, and electrons affect the atomic number, mass number and charge of an atom? 4. How does the electromagnetic spectrum relate to where the electrons are located around the nucleus? Possible Topics or Context: (what you will use to teach the concepts and skills-particular unit, lessons or activities) History timeline project Flame test lab Target activity Electron configuration practice sheets