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Polonium

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name Polonium
latin Polonium
french Polonium
german Polonium
symbol Po
proton number 84
atomic weight [209]
Pauling electronegativity 2
electronic configuration [Xe] 4f145d106s26p4
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melting point 527 K, 254°C, 489°F
boiling point 1235 K, 962°C, 1763°F
group 16
period 6
state (by 20°C) solid
oxidation states -2, +2, +4
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Discoverer

Year of discovery Discoverers
1898 Pierre Curie (1859-1906)
Marie Curie-Sklodowská (1867-1934)

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