Question: what are the physical properties of dubnium?
Answer: Atomic Mass Average: 262., Boiling Point:, Coefficient of lineal thermal expansion/K-1: N/A., Conductivity Electrical: Thermal: 0.58 W/cmK., Description: Man made radioactive element., Flammablity Class:, Freezing Point: see melting point., Heat of Vaporization: kJ/mol.