1. Quantum Numbers pt 1

2. Quantum Numbers Electron Address – describes location of outer most electron 4 digit quantum number set – each element unique Q# relates to the periodic table. Developed by Schrodinger Hydrogen – 1, 0, 0, -1/2

3. FIRST QUANTUM NUMBER Principle Quantum number - n Describes Energy Level of the electron Whole numbers 1 through 7 Most use row number on periodic table Transitions use Row minus 1 Lanthanide & Actinides use Row minus 2

4. Study Guide – edit your chart A A B B 12345671234567 12345671234567

5. 1.) Principle Q # = Energy level, ROW Row # Row # - 1 Row # - 2 Study Guide – edit your chart

6. SECOND QUANTUM NUMBER Orbital Quantum number - l Describes the Shape of Orbital Have assigned areas on periodic table with letters and number identification S0S0 D2D2 P 1 F 3

7. 1.) Principle Q # = Energy level, ROW Row # Row # - 1 Row # - 2 2.) Orbital Q # = Shape, SECTION S = 0 P = 1 D = 2 F = 3 Study Guide – edit your chart

9. PRACTICE Find the first two quantum numbers for: K W Li In Fe He Th Dy Sb Ti 4, 0, 5, 2, 2, 0, 5, 1, 3, 2, 1, 0, 5, 3, 4, 3, 5, 1, 3, 2,