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Periodic Properties of the Elements 3. March 03, 1977

Periodic Properties of the Elements,

From  Alex Ibarra Mendez 5 plays 0  

Natural Cycles and Non-Metallic Elements. May 20, 1974

Natural Cycles and Non-Metallic Elements

From  Alex Ibarra Mendez 6 plays 0  

Alkanes, The Simplest Hydrocarbons

Alkanes, The Simplest Hydrocarbons - Chemistry Archives

From  Alex Ibarra Mendez 9 plays 0  

Gil Haight Christmas Lecture. 24 October 1972

Gil Haight Christmas Lecture 24 October 1972 / Chemistry Archives

From  Alex Ibarra Mendez 41 plays 0  

Natural Cycles and the Non-metallic Elements

Natural Cycles Tape773 - Chemistry Archives - 05/20/1974

From  Alex Ibarra Mendez 7 plays 0  

Periodic Properties of the Elements

Periodic Properties of the Elements - Chemistry Archives - 30/21/1977

From  Alex Ibarra Mendez 7 plays 0