Explain how the patterns of differences between a physical and chemical change are explained by changes at the scale of atoms and molecules (interacting differently, rearranging, etc?)

A chemical change is a permanent change. A Physical change affects only physical properties i.e. shape, size, etc. ... Some examples of physical change are freezing of water, melting of wax, boiling of water, etc. A few examples of chemical change are digestion of food, burning of coal, rusting, etc.

Explanation:

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