Final answer:
Conductivity is not a chemical property of matter; it is a physical property because it can be observed or measured without changing the substance’s identity.
Step-by-step explanation:
The student has asked about a property of matter that is not considered a chemical property. Among the options provided in the original question, conductivity is the correct answer. This is because conductivity is a physical property of matter which can be observed or measured without changing the identity of the substance.
Chemical properties, as described in Exercise 3.5.1B and further clarified in the accompanying notes, are attributes of a substance that become evident during a chemical reaction; these include flammability, ability to produce a new substance, corrosiveness, and reactivity. These properties involve a change in the composition of matter. According to the references provided, flammability and corrosiveness are chemical properties, while density is a physical property. Therefore, for the student’s question, conductivity being a physical property, such as density, does not involve any change in composition and thereby is not a chemical property.