Polonium
Appearance
Poloniumis achemical elementwi the symbolPoanatomic nummer84, airtit out in 1898 biMarie CurieanPierre Curie.A rare an geyradioactiveelement wi nae siccarisotopes,polonium is chemically sib taebismuthantellurium,an it occurs inuraniumures.Polonium is uised in a sma curn o gaits juist, sic as heaters in space probes,antistatic devices,an sources oneutronsanalpha particles.Acause o its steid in the periodic cairt, polonium is whiles clessifee'd as ametalloid[3]but its an meiths an makdom gar it mair liker a metal.[4]
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References
[eedit|eedit soorce]- ↑Thayer, John S. (2010). "Relativistic Effects and the Chemistry of the Heavier Main Group Elements".Relativistic Methods for Chemists:78.doi:10.1007/978-1-4020-9975-5_2.ISBN978-1-4020-9974-8.
- ↑Thayer, John S. (2010).Chemistry of heavier main group elements.p. 78.doi:10.1007/9781402099755_2.
- ↑"Characterizing the Elements".Los Alamos National Laboratory.Retrieved4 Mairch2013.
- ↑Hawkes, Stephen J. (2010)."Polonium and Astatine Are Not Semimetals".Journal of Chemical Education.87(8): 783.Bibcode:2010JChEd..87..783H.doi:10.1021/ed100308w.