Peter Hill Explains

Theodore Grays Periodic Table Halogens F Cl Cr I As


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Very coy about the electron affinity of Cl, and only a half reference to Electro negativity http://lessonpeer.com/drhillteach/Theodore%20Grays%20Periodic%20Table%20Halogens%20F%20Cl%20Cr%20I%20As.mp4
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Peter Hill ExplainsBy Peter Hill