Identify each of the following as a physical or chemical property: (3.2)c. Gold is a good conductor of electricity.

Physical properties are characteristics of a substance that can be observed or measured without changing its chemical identity. Examples include color, melting point, boiling point, and conductivity. These properties help in identifying and describing substances based on their physical state and behavior.

Chemical properties describe a substance's ability to undergo chemical changes or reactions, resulting in the formation of new substances. These properties include reactivity with acids, flammability, and oxidation states. Understanding chemical properties is essential for predicting how substances will interact in chemical reactions.

Conductivity refers to a material's ability to conduct electricity or heat. In the context of metals like gold, high conductivity indicates that electrons can move freely, allowing for efficient energy transfer. This property is crucial in applications such as electronics and electrical wiring, where efficient conduction is necessary.