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polonium

polonium (symbol Po) Rare radioactive metallic element of group VI of the periodic table, discovered in 1898 by Polish-born French scientist Marie Curie. Extremely toxic, it is found in trace amounts in uranium ores and may be synthesized. It is used in devices that remove static electricity and dust particles. Properties: at.no. 84; r.d. 9.40; m.p. 254°C (489°F); b.p. 962°C (1764°F); most stable isotope Po209.

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Periodic Table of the Elements: Polonium

Periodic Table of the Elements: Polonium

Periodic Table of the Elements: Polonium
Atomic Number: 84
Atomic Symbol: Po
  Polonium
Atomic Weight: (209)
Electron Configuration: 2 · 8 · 18 32 · 18 · 6

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"Periodic Table of the Elements: Polonium." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 17 Aug. 2017 <http://www.encyclopedia.com>.

"Periodic Table of the Elements: Polonium." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (August 17, 2017). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/periodic-table-elements-polonium

"Periodic Table of the Elements: Polonium." The Columbia Encyclopedia, 6th ed.. . Retrieved August 17, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/periodic-table-elements-polonium