- Conductivity is a property of a material
- Conductivity is a kind of physical property
- Hence, conductivity is a physical property of a material

- Conductivity is a physical property of a material
- Copper is a kind of material
- Hence, conductivity is a physical property of copper

- Metal is an electrical / electrical energy conductor
- Copper is a kind of metal
- So, copper is an electrical conductor

- Conductivity is a physical property of copper
- Copper is an electrical conductor
- Therefore, the ability to conduct electricity is a property of copper

So, the ability to conduct electricity is a property of copper
Question
Which feature is a physical property of copper?

Context
- Conductivity is a property of a material 
- Metal is an electrical / electrical energy conductor 
- Conductivity is a kind of physical property 
- Copper is a kind of material 
- Copper is a kind of metal