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Bookmark or Share- What is polonium, and how deadly is it? - NBC NewsPolonium-210 is one of the world's rarest elements, discovered in 1898 by scientists Marie and Pierre Curie and named in honor of her country of origin, Poland. It occurs naturally in very low...
- Polonium - WikipediaPolonium is a chemical element; it has symbol Po and atomic number 84. A rare and highly radioactive metal (although sometimes classified as a metalloid ) with no stable isotopes , polonium is a chalcogen and chemically similar to selenium and tellurium , though its metallic character resembles that of its horizontal neighbors in the periodic ...
- Polonium Facts - Po or Atomic Number 84 - Science Notes and ...Polonium is a rare and highly radioactive element with the symbol Po and atomic number 84. A metal or metalloid in the periodic table, it lies in the p-block, and is a member of group 16, the chalcogens. Its discovery in 1898 marked a significant milestone in the study of radioactivity.
- Polonium | Definition, Symbol, Properties, Uses, & Factspolonium (Po), a radioactive, silvery-gray or black metallic element of the oxygen group (Group 16 [VIa] in the periodic table). The first element to be discovered by radiochemical analysis, polonium was discovered in 1898 by Pierre and Marie Curie , who were investigating the radioactivity of a certain pitchblende, a uranium ore .
- Facts About Polonium | Live SciencePolonium (Po) is a very rare and highly volatile radioactive metal. Before Polish-French physicist Marie Curie 's discovery of polonium in 1898, uranium and thorium were the only known...
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