![](https://d1e4pidl3fu268.cloudfront.net/5f7be60d-cac0-4245-8f97-93e51cf04dca/slide_47.crop_842x632_44,18.preview.jpg)
![pptx, 7.68 MB](https://d1e4pidl3fu268.cloudfront.net/558b904d-df0f-4e43-8d82-9a1bd80dd27e/Electron_Configurations_First_18_elements.jpg)
This PPT is a complete lesson on introducing students to how small is an atom, contributions from different scientists, electron arrangements and flame test teacher demo.
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£6.00