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Polonium (Po): Fun Facts and Information About the Element

What is the symbol? Po
What is the atomic number? 84
What is the atomic weight? 209
What is the melting point in Celsius? 254
What is the boiling point in Celsius? 962
What is the density (g/cm3)? 9.3
What year was it discovered? 1898
Who discovered the element? Marie Sklodowska Curie
What group is the element in? 16
What is the electron configuration? [Xe] 4f14 5d10 6s2 6p4
What is the ionization energy? 8.417
What element category is it in? Metalloids

Where is Polonium Found?

Polonium is a very rare natural element. Uranium ores contain only about 100 micrograms of the element per ton. Its abundance is only about 0.2% of that of radium.

What is Polonium Used For?

Because almost all alpha radiation is stopped within the solid source and its container, giving up its energy, polonium has attracted attention for uses as a lightweight heat source for thermoelectric power in space satellites.