Joined On : April 22, 2009

Derek Fry

Teacher https://www.teachertube.com/user/channel/Amarantnraz
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Derek Fry On Electronegativi-ty From: Amarantnraz
Added: 9 years ago
Views: 1,093
1,093
Derek Fry - Electronegativi-ty &... From: Amarantnraz
Added: 9 years ago
Views: 1,528
1,528

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