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The lecture covers the need of chemistry as a part of central science, scientific methods , definition of matter from the perspective point of the movement of electrons, and from its composition. Additionally, the difference between pure substances and mixtures was explained.
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标签： Chapter 1 CHE 101 Index 3857 audio, Chapter 1 CHE 101 Index 3857 - Wendweson Fikire audio, free audiobook, free audio book, audioaz