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polonium
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polonium

Radioactive, metallic element, atomic number 84, relative atomic mass 210. Polonium occurs in nature in small amounts and was isolated from pitchblende. It is the element having the largest number of isotopes (27) and is 5,000 times as radioactive as radium, liberating considerable amounts of heat. It was the first element to have its radioactive properties recognized and investigated.

Polonium was isolated in 1898 from the pitchblende residues analysed by French scientists Pierre and Marie Curie, and named after Marie Curie's native Poland.
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The Health Protection Agency said no one with traces of polonium 210 had been exposed to enough to cause immediate illness with risk of long term illness "very small".
10 hit by traces of nuke killer by The Mirror (London, England)
HEALTH minister Caroline Flint yesterday defended a decision to pull a shock TV ad showing polonium 210 in cigarette smoke.
MP backs polonium advert axe by Daily Record (Glasgow, Scotland)
Mario Scaramella, the Italian academic who met the ex-spy on the day he was allegedly poisoned, was admitted to hospital yesterday having tested positive for a significant quantity of the radioactive polonium 210 believed to have killed Mr Litvinenko.
Spy's contact hit by polonium too by Evening Chronicle (Newcastle, England)
 
 
 
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