Скачать или смотреть Classification of Matter - Pure Substances and Mixtures

Table of Contents:
00:00 Introduction to flow chart

01:33 Elements (symbols, including "the nine" diatomic/polyatomic; examples of elements

05:51 Compounds (water chemically broken down into its elements through electrolysis; examples of compounds with formulas

07:35 - common compound formulas to memorize (water, hydrogen peroxide, ammonia, methane)

08:20 - model of water at molecular level (solid, liquid, gas); review of particles of solids, liquids, gases; solid form usually most dense and water is an exception

09:40 Examples of models (ball and stick, space filling)

10:00 Homogeneous mixtures- homogeneous even at microscopic level; homogeneous mixtures are solutions; air inhalations and exhalations are two different solutions/mixtures; solid solutions as alloys; other useful solutions)

14:40 Heterogeneous Mixtures - some appears to be homogeneous to the eye, but not microscopically; other examples;

16:46 Summary with models