The Periodic Table of Elements
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84
Po
Polonium
Summary
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.
Block: p
Period: 6
Group: 16
Atomic Mass: 209 g/mol (amu)
Discovered By: Marie & Pierre Curie
Phase: Solid
Boiling Point: 1235 K
Melting Point: 527 K
Type: post-transition metal
Density: 9.196 g/cm3
Electron Configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p4
Electron Configuration (Semantic): [Xe] 4f14 5d10 6s2 6p4