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Chemistry, image, image, image - Coggle Diagram

- - - - Atoms from molecules that range in size from two to twenty to thousands
- - - - Water (h2o)
        
        Salt Water
        
        sand
        
        Sand
        
        Air
        
        Coke
      - Salt (ncCI)
- - - - H2o The subscripts tell us how many atoms of each element there are.
        
        Co2 Since there are two types of atoms bonded together in the same molecule, this is an example of a compound.
        
        A chemical change requires elements to change into compounds or compounds to elements.
- - - - New substances have new properties
        
        Atoms are rearranged in a chemical reaction to form a new substance.
    - - Chemical Change