Chemistry 1A Name: Quantum Theory & Periodic Trends 1. What element is represented by the electron configuration 1s 2s 2p3s3p4s 3d$? 2. What element is represented by the orbital diagram: 1s 2s 2p 3. Draw the orbital diagrams (box/line notation) for the following species: Mn2+ Cu 4. Write the electron configuration for the following elements and ions using spdf notation (without noble gas abbreviations): Cr Si Fe2+ 5. Write the electron configuration for the following elements and ions using noble gas spdf notation: Sn2+ Br p3- 6. What are the possible values of the angular momentum quantum number () when n 3 ? 7. What are the possible values for the magnetic quantum number (m) when e= 3 ? 8. In the ground state of arsenic, how many electrons share the quantum number: a) n=4 b) l= 1