Level 1
outline

Hegel's 'System of Science'
- Logic
- Nature
  - Mechanics
  - Physics
    - General physicalities
    - Peculiarities
    - Physical body
      - Body shape
      - Properties against others
      - Chemical process
        
        Formal chemical process
        
        Real chemical process
        
        Chemical substances
        
        Chemical elements
        
        [Non-metals]
        
        [Chemical basic elements]
        
        Nitrogen
        
        Oxygen and hydrogen
        
        Carbon
        
        [Reactive Elements].
        
        [Noble gases]
        
        [Semi-metals]
        
        Metals
        
        Oxides and hydroxides
        
        Salts
  - Organism / Life
- Spirit/Mind

hegel.net

Oxygen and hydrogen