polonium

views updated May 23 2018

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.

About this article

Periodic Table of the Elements Polonium

All Sources -
Updated Aug 24 2016 About encyclopedia.com content Print Topic

NEARBY TERMS

Periodic Table of the Elements Polonium