General
Symbol 210Po
Names polonium-210, Po-210, radium F
Protons 84
Neutrons 126
Nuclide data
Natural abundance Trace
Half-life 138.376 d [1] ± 0.002 d
Parent isotopes 210Bi (β−)
Decay products 206Pb
Isotope mass 209.9828736[2] u
Spin 0
Decay modes
Decay mode Decay energy (MeV)
Alpha decay 5.40753[2]
Isotopes of polonium
Complete table of nuclides
Discovered in 1898 by Pierre & Marie Curie. in the ore pitchblende. Named after Marie Curie's home country of 'Poland'.
It is extremely toxic and radio-active.
I
Polonium has no odor.
Polonium is odorless.
Polonium has not a taste.
Polonium is not an insulator.The electrical resistivity of polonium is: 0, 40 microohm.meter.
Two polonium oxides are known: PoO2 and PoO3.
Polonium has a silvery aspect.
Polonium has a silvery aspect.
Polonium has a silvery aspect.
Polonium is a solid.
Polonium is not so famous.
The valence of polonium can be 2, 4 or 6.
Polonium valence may be 2, 4 or 6.