Classification of Matter, Physical States and Changes
by Rafael Muñoa
1. Process
2. reactants
3. Shape
3.1. that of the container
4. Shape
4.1. that of the container
5. Gas (g)
5.1. Volume ...
5.1.1. that of the container
6. the type of molecules remains constant
6.1. PHYSICAL CHANGE
6.1.1. There is no change in the type of molecules
6.2. States of Matter
7. Solid (s)
7.1. Volume ...
7.1.1. fixed
7.2. Shape
7.2.1. fixed
8. New types of molecules are formed
9. new types of molecules appear
9.1. CHEMICAL CHANGE
10. Physical States
10.1. Examples
10.2. Liquid (l)
10.2.1. Volume ...
10.2.1.1. fixed
11. Change
11.1. Systems:
11.1.1. initial
11.1.2. final
11.1.2.1. products
12. ...that is...
12.1. The composition is not constant in the sample
13. Matter unevenly distributed
14. Example
15. HETEROGENEOUS
16. Example:
17. One unique type of molecule
17.1. PURE SUBSTANCE
17.1.1. One type of atom in the molecule
17.1.1.1. ELEMENT
17.1.1.1.1. Example
17.1.2. More than one type of atoms in the molecule
17.1.2.1. COMPOUND
18. Matter
19. Example
20. More than one type of molecules
20.1. MIXTURE
20.1.1. Matter evenly distributed
20.1.1.1. HOMOGENEOUS
20.1.1.2. ...that is...
20.1.1.2.1. The composition is constant in the sample