Element Polonium

Polonium ElementElement Polonium was discovered in 1898 by Marie and Pierre Curie, when it was extracted from the uranium ore pitchblende and identified solely by its strong radioactivity: it was the first element to be so discovered.
Polonium was named after Marie Curie’s homeland of Poland. Polonium has few applications, and those are related to its radioactivity: heaters in space probes, antistatic devices, sources of neutrons and alpha particles, and poison.
It is a radioactive element, and extremely dangerous to humans.
Polonium is a chemical element with the symbol Po and atomic number 84.

Names and Identifiers

Chemical Formula:Po
Molecular Weight:209.00000 g/mol
EC Number :n/a
MDL Number:n/a
Color:silvery-gray/ silvery
Other Names:n/a
PubChem CID:6328143
IUPAC Name:Polonium
Canonical SMILES:[Po]
ICSC Number:n/a

Physical & Chemical Properties

Density:9.196 g/cm³
Boiling Point:1235 K ​(962 °C, ​1764 °F)
Melting Point:527 K ​(254 °C, ​489 °F)
Molecular Formula:Po
Flash Point:n/a
Exact Mass:208.98200

Polonium has 42 known isotopes, all of which are radioactive. They have atomic masses that range from 186 to 227 u.

Radiosotope data

IsotopeMass/DaHalf-lifeMode of decayNuclear spinNuclear magnetic moment
206Po205.980478.8 dC to 206Bi; α to 202Pb0
207Po206.981585.80 hEC to 207Bi; α to 203Pb5/20.79
208Po207.981232.898 yEC to 208Bi; α to 204Pb0
209Po208.982404 (5)102 yEC to 209Bi; α to 205Pb1/20.77
210Po209.98286138.38 dα to 206Pb0

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