Periodic Table of the Elements: Polonium

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Periodic Table of the Elements: Polonium
Atomic Number:84
Atomic Symbol:Po
 Poloniumpolonium
, radioactive chemical element; symbol Po; at. no. 84; mass no. of most stable isotope 209; m.p. 254°C;; b.p. 962°C;; sp. gr. about 9.4; valence +2 or +4. Polonium is an extremely rare element found in uranium ores (about 0.1 gram per ton).
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Atomic Weight:(209)
Electron Configuration:2 · 8 · 18 32 · 18 · 6
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