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CHEMISTRY

Emad Hassan English

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CHEMISTRY

Defination
- Chemistry is the study of the composition, structure, properties, and reactions or transformations, and behavior of matter and the changes it undergoes.
MATTER
- Defination
  - Matter is the physical material of the universe; it is anything occupying space and having mass.
- characterized or classified
  - Its physical state (gas, liquid, or solid)
    - Shape
      - Solid
        has a fixed (definite) shape
      - Liquid
        has no fixed shape (take the shape of the container)
      - Gas
        has no fixed shape (take the shape of the container)
    - Volume
      - Solid
        has a fixed (definite) volume
      - Liquid
        has a fixed (definite) volume
      - Gas
        has no fixed volume (Fills the volume of the container)
    - Arrangement of Particles
      - Solid
        Fixed
      - Liquid
        very close Random
      - Gas
        far apart
    - Interaction between Particles
    - Movement of Particles
    - Compression
      - Solid
        Not able
      - Liquid
      - Gas
  - Its composition (whether it is an element, a compound, or a mixture).
Importants
- Chemistry is central to a fundamental understanding of governing principles in many science-related fields (biology, engineering, pharmacy, agriculture, geology, or some other field).