How to Write Electron Configuration 6 examples + Exceptions Chromium & Copper (Chemistry)

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"Electron Configuration" refers to the arrangement of the electrons in an atom into orbitals. We demonstrate how to follow the Aufbau Principle, filling in electrons into the orbitals of the Aufbau Diagram while obeying Hund's Rule and the Pauli Exclusion Principle. This video has 6 examples worked out in full: Hydrogen, Helium, Lithium, Beryllium, Boron, and Carbon. We also cover two exceptions to the Aufbau Principle: Chromium and Copper.

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LESSON CHAPTERS:
0:00 Aufbau Principle
0:24 Orbital diagram
0:39 Pauli Exclusion Principle
1:00 Example 1 - Hydrogen
1:20 Example 2 - Helium
1:34 Example 3 - Lithium
1:57 Example 4 - Beryllium
2:09 Example 5 - Boron
2:39 Example 6 - Carbon
2:48 Hund's Rule
3:14 Be careful filling higher energy levels - here's why
3:37 Example 8 - Chromium, an exception
3:48 Example 9 - Copper, another exception
3:58 Rationale for Exceptions
4:10 Preview of shortcuts (will be featured in another video)

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Written and Produced by Kimberly Hatch Harrison

About our instructor:
Kimberly Hatch Harrison received degrees in Biology and English Literature from Caltech before working in pharmaceuticals research, developing drugs for autoimmune disorders. She continued her studies in Molecular Biology (focusing on Immunology and Neurobiology) at Princeton University, where she began teaching as a graduate student. Her success in teaching convinced her to leave the glamorous world of biology research and turn to teaching full-time, accepting a position at an exclusive prep school, where she taught biology and chemistry for eight years. Kimberly co-founded Socratica Studios.

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#Chemistry #ElectronConfiguration #EducationalVideo