Question: what are the physical properties of einsteinium?
Answer: Atomic Mass Average: 252. Boiling Point: Coefficient of lineal thermal expansion/K-1: N/A. Conductivity Electrical: Thermal: 0.1 W/cmK. Description: Man made radioactive metal, which is not found in nature. Flammablity Class: Freezing Point: see melting point. Heat of Vaporization: kJ/mol.