Good conductors have low electrical resistivity, meaning they offer little resistance to the flow of electric current.

Here are four properties of a good conductor:

1. Good conductors have low electrical resistivity, meaning they offer little resistance to the flow of electric current.
2. They possess a large number of free electrons (or other mobile charge carriers) that can move easily throughout the material.
3. Good conductors typically have high thermal conductivity, allowing heat to transfer through them efficiently.
4. For metallic conductors, they are often ductile (can be drawn into wires) and malleable (can be hammered into thin sheets).