Polonium (Po), element 84 – Learn Acer periodic table

Transition metal, atomic number 84.

Polonium is a chemical element with symbol Po and atomic number 84, discovered in 1898 by Marie Curie and Pierre Curie. A rare and highly radioactive element with no stable isotopes, polonium is chemically similar to bismuth and tellurium, and it occurs in uranium ores. Applications of polonium are few.

Symbol Po. Atomic mass 209.0 u. Group 16, period 6. Electron configuration [Xe] 4f14 5d10 6s2 6p4. Electrons per shell 2, 8, 18, 32, 18, 6. State at room temperature: Solid. Melting point 253.9 °C, boiling point 961.9 °C. Discovered by Pierre Curie.

Element data from Wikipedia, CC BY-SA 3.0.

Polonium (Po), element 84 – Learn Acer periodic table

Polonium

Facts