When an ionic is placed in water a dissolving reaction occurs so the positive or negative ion are only attracted to each other
        
             
        
        
        
Answer:
In 1827, Brown observed, using a microscope, that small particles ejected from pollen grains suspended in water executed a kind of continuous and jittery movement, this was named “Brownian motion”. ... This random movement of particles suspended in a fluid is now called after him.
Explanation:
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