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Published on Aug 20, 2012
White Phosphorus - part of our "Berzelius Day" uploading 24 videos in 24 hours. Full video containing this reaction at: http://www.youtube.com/watch?v=U6_-EU... NOTE FROM THE PROFESSOR: 9. White phosphorus is made up of tetrahedral shaped P4 molecules with very strained (and weak) bonds. P4 reacts with oxygen to make a white solid containing P4O10 molecules, which confusingly is called "phosphorus pentoxide" (it's confusing because "pent" is derived from the word "five" in Greek).