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CHEM120 FINAL EXAM VERSION 3 FULL REVIEW SET 2026 QUESTIONS WITH ANSWERS VERIFIED GRADED A+

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CHEM120 FINAL EXAM VERSION 3 FULL REVIEW SET 2026 QUESTIONS WITH ANSWERS VERIFIED GRADED A+

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CHEM120 FINAL EXAM VERSION 3 FULL
REVIEW SET 2026 QUESTIONS WITH
ANSWERS VERIFIED GRADED A+

⩥ Matter. Answer: Anything that has mass and takes up space.


⩥ Solid. Answer: Has fixed shape and fixed volume. Particles are
packed tightly.


⩥ Liquid. Answer: Has fixed volume but takes the shape of its container.


⩥ Gas. Answer: Has no fixed shape or volume. Particles move freely
and spread out.


⩥ Plasma. Answer: Ionized gas with very high energy.


⩥ Translational motion. Answer: Particles move from one place to
another.


⩥ Rotational motion. Answer: Particles spin around.


⩥ Vibrational motion. Answer: Particles vibrate in place.

, ⩥ Physical property. Answer: A property you can observe or measure
without changing the substance. Example: color, density.


⩥ Chemical property. Answer: Describes how a substance reacts or
changes into a new substance. Example: flammability.


⩥ Physical change. Answer: Change where the substance stays the same.
Example: melting ice.


⩥ Chemical change. Answer: Change where a new substance forms.
Example: burning methane.


⩥ Reactant. Answer: Starting material in a chemical reaction.


⩥ Product. Answer: Substance formed in a chemical reaction.


⩥ Exothermic reaction. Answer: Releases heat energy.


⩥ Endothermic reaction. Answer: Absorbs heat energy.


⩥ Pure substance. Answer: Matter made of only one type of substance.

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