Foil cut into pieces represents a physical change.
Slicing a pellet of sodium in half is a physical change because it does not alter the chemical composition of the sodium. The sodium is still sodium before and after slicing, just in smaller pieces.
Breaking a pencil in half is a physical change, not a chemical change. The composition of the pencil, which is made of wood and graphite, remains the same even though its physical appearance has changed.
Sawing a board in half is not an example of chemical change. It is an example of a physical change. Physical changes on a substance do not change the substance. When you saw a board in half, the two halves of the boards are still boards- they're not anything else.
when a pellet of sodium is cut in half, it's atoms are also cut in half which results in a physicalchange
No, cutting an apple in half is not a chemical change. Cutting an apple is doing nothing but changing the shape and form of the apple, but in the end, it's still an apple.
Cutting aluminum foil in half is a physical change. A physical change alters the form of a substance without changing its chemical composition. In this case, the aluminum foil remains aluminum foil after being cut in half, just in two smaller pieces. No new substances are formed during this process, so it is considered a physical change.
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Cutting a piece of copper in half is a physical change because it only alters the physical appearance of the copper without changing its chemical composition.