I show what happens when an oxidized piece of potassium metal is cut (in this case smeared and scraped) with a knife. Sodium cut with water: https://www.youtube.com/watch?v=67lSYypSbfk Cleaning potassium: https://www.youtube.com/watch?v=QiorGia-VrY Help me make videos by donating here: https://www.patreon.com/CodysLab Follow me on Facebook: https://www.facebook.com/codydonreeder SubReddit: https://www.reddit.com/r/codyslab/