Honors Chemistry 1st Grading Period

Power Objectives: Academic Vocabulary:

• Articulate elemental and molecular properties utilizing physical • Dalton’s Atomic Theory • electromagnetic spectrum • atom • quantum structures of the atom and the periodic table. (P.O. #1) • Cathode ray • Plank’s constant • electron • photoelectric effect • Characterize interactions between matter and energy. (P.O. #2) • valence electron • photon • Demonstrate how mathematics describes concepts in • nucleus • atomic emission spectrum • proton • ground state chemistry. (P.O. #3) • neutron • quantumanumber • atomic number • De Broglie equation • Design and conduct chemistry investigations. (P.O. #4) • isotope • Heisenberg uncertainty principle • mass number • quantum mechanical model of the atom • atomic mass unit (amu) • atomic orbital • atomic mass • principal quantum number • electromagnetic radiation • principal energy level • wavelength • energy sublevel • frequency • electron configuration • amplitude • Aufbau principle • Hund’s Rule The Atom Enduring Understandings: Essential Questions:

• Without atoms the universe would not exist. • What are the similarities and differences of the atomic models of Democritus, Aristotle, and Dalton? • Our descriptions (models) of the structure and properties of • How was Dalton’s theory used to explain the conservation of mass? matter have changed over time, with the acquisition of new • What is an atom? knowledge by experimentation and analysis. • How can the subatomic particles be distinguished in terms of relative charge and mass? • What is an isotope? • The period table was not developed in one day; it is the • Given the mass number and atomic number, how are the number of electrons, protons, compilation of many years of scientists’ research. and neutrons in an atom calculated? • Elements in the same row and column share similar properties • How do the waves and particle natures of light compare? • How is quantum energy related to an energy change of matter? due to their atomic arrangement. • How do continuous electromagnetic spectra and atomic emission spectra compare and • Trends in the organization of the periodic table help us contrast? understand the unique properties of each element. • How do the Bohr and quantum mechanical models of the atom compare? • How are the Aufbau principle and Hund’s rule used to write electron configurations using orbital diagrams and electron configuration notation?