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ELEMENTS, COMPOUNDS, & MIXTURES - Coggle Diagram

- - - - element symbol
        
        shorthand for element
        
        example IRON is Fe
        
        atomic number
        number of protons
        
        ISOTOPES
        
        same element
        
        same number of protons
        
        more neutrons
        
        heavier
        
        atomic mass
        weighted average mass of all isotopes
    - - molecules
        
        2 or more atoms
        
        2 or more different elements
  - - - break down into elements through chemical change
    - - mass fraction
        
        (mass of element X in compound A)
        :heavy_division_sign:
        (mass of compound A)
        
        percent composition
        or
        mass percent
        
        mass fraction
        :heavy_multiplication_x:
        100%
- - - - totally consistent and unvaried
        
        on microscopic level
        
        SOLUTIONS
        
        aqueous = water as solvent
    - - varied, inconsistent mix
        
        not always detectable by naked eye
        
        COLLOIDS
        
        particles stay suspended
        
        ex. is milk
        
        SUSPENSIONS
        
        particles float or sink
        
        ex. herb salad dressing
    - - physical separation methods
        
        filtration
        
        distillation
        
        crystallization
        
        chromatography