* Metallic Character: Polonium is a metalloid, meaning it has properties of both metals and nonmetals. It exhibits some metallic characteristics, but its conductivity is significantly lower than that of typical metals like copper or silver.

* Crystal Structure: Polonium has a simple cubic crystal structure, which is less efficient for conducting electricity than the face-centered cubic structures found in many metals.

* High Resistivity: Polonium has a very high electrical resistivity, meaning it strongly resists the flow of electric current. This is a direct indicator of its poor conductivity.

While polonium is a radioactive element, its radioactivity does not directly influence its electrical conductivity.

In summary, polonium is a very poor conductor of electricity due to its metalloid nature, crystal structure, and high electrical resistivity.