26:06Learning
From the PhD Lab: How do biofilms help keep bacteria alive? - with Josh Horton
The Royal Institution
Valence Electrons
From the creator
Looking at valence electrons to figure out reactivity More free lessons at: http://www.khanacademy.org/video?v=1TZA171yxY4
Published 2009-08-26 · Watch on YouTube ↗
Availability and playback restrictions are controlled by the original channel.
