This chemistry video gives an introduction to the Particulate nature of matter - Part 2. Matter is classified into two parts - Mixtures and Pure Substances. This video talks specifically about the pure substances. Pure substances are in turn divided into elements and compounds.

ที่มา : http://www.youtube.com

ลิงค์ : http://youtu.be/Ej_rlrJOAiM

อัพโหลดโดย :  elearnin