Which of these is an example of a physical property?
Steam condenses into liquid water.
Candle wicks are flammable.
Uranium, a radioactive element, has high toxicity.
Fluorine gas has violent reactivity with water.



Answer :

Final answer:

Physical properties can be observed without changing the composition of a substance, while chemical properties describe a substance's behavior in reactions. Steam condensing into water exemplifies a physical property.


Explanation:

Physical properties are characteristics that can be observed or measured without changing the composition of a substance. Chemical properties, on the other hand, describe the behavior of a substance in reactions and its ability to form new substances. In the given examples, steam condensing into liquid water is an example of a physical property as it involves a change in state without altering the chemical composition of water.


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