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chemistry (phases ((liquid (Screenshot 2018-12-10 at 12.13.43 PM, A liquid…

- - - - A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume
      - water soda milk
  - - - has definite shape moves fast and can go anywhere
      - air oxygen
  - - - firm and stable in shape; not liquid or fluid.
      - rocks metal sticks
- - - - The smallest part of any compound that retains all the properties of that compound.
  - - - The smallest part of any element that retains all the properties of that element.
- - - - mixtures
        
        Air
        
        salt water
        
        sand
        
        coke
      - compound
        
        salt(NaCI)
        
        water(H20)
        
        carbon Dioxide(C02)
      - element
        
        oxygen(02)
        
        iron(Fe)
        
        carbon(c)
- - - - changes affecting the form of a chemical substance, but not its chemical composition.
        
        braking pencil, cutting paper
    - - is any property that is measurable, whose value describes a state of a physical system.
    - - Chemical changes occur when a substance combines with another to form a new substance,
    - - phases, but mostly, they exist in one of three: solid, liquid or gas.
    - - characteristic of a substance that is observed during a reaction