Composition of Universe
por Dhillon Arjun
1. Matter
1.1. Solids
1.2. Liquids
1.3. Gases
1.4. Plasma
1.5. Pure Substances
1.5.1. Elements
1.5.1.1. Compounds
1.5.1.2. Mixtures
1.5.1.2.1. Homogeneous
1.5.1.2.2. Heterogeneous
1.6. Density
1.6.1. Volume
1.6.2. Mass