It's hard to keep track of electrons ... that's where electron configurations come to the rescue. A short video in the JFR Science series highlights electron configurations and how to write both condensed and expanded notation. It applies the Aufbau principle to the electron configurations and notes some exceptions.

Concepts

electrons, electron configuration, atoms, orbitals, energy levels

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Additional Tags

science

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Instructional Ideas

• Provide cloze notes for viewers to fill in as they watch the video

Classroom Considerations

• Pupils should be familiar with atomic structure
• Learners must have extensive experience using the periodic table
  

• This video is hosted on YouTube

Pros

• Provides thorough and careful explanations
• Graphics are simple but help with understanding

Cons

• Video is not likely to hold student interest