polonium
Pronunciation:
/pəˈləʊni.əm//pəˈloʊni.əm/noun
Definitions
A rare, highly radioactive chemical element (symbol Po) with atomic number 84.
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/pəˈləʊni.əm//pəˈloʊni.əm/Definitions
A rare, highly radioactive chemical element (symbol Po) with atomic number 84.