Mineral Species containing Polonium (Po)

**Polonium (Po) Element Properties**
Atomic Mass	209
Atomic Number	84
Name Origins	After the country "Poland."
Year Discovered	1898
Discovery Credits	Marie Curie at Paris, France.
Remarks	Radioactive silvery-gray metal. Soluble in dilute acids. Used as heat source in space equipment and as source of alpha radiation for research. Occurs in trace amounts in uranium ores.
References	Emsley, J., 1991; THE ELEMENTS : Sec. Ed., Clarendon Press, Oxford, 251 p.
See Also	WebElements, ChemiCool

Atomic Mass

209

Atomic Number

84

Name Origins

After the country "Poland."

Year Discovered

1898

Discovery Credits

Marie Curie at Paris, France.

Remarks

Radioactive silvery-gray metal. Soluble in dilute acids. Used as heat source in space equipment and as source of alpha radiation for research. Occurs in trace amounts in uranium ores.

References

Emsley, J., 1991; THE ELEMENTS : Sec. Ed., Clarendon Press, Oxford, 251 p.

Symbol	Isotope Mass	Isotope Nuclide Number	Isotope Number	Natural Abundance	Half-life	Half-life Units	Decay Mode	Decay Mode MeV	Decay Mode %
Po	209.982848	210	84	Trace	138.4	Days	alpha	5.047	100.0%
Po	210.987627	211	84	Trace	0.52	Seconds	alpha	7.594	100.0%
Po	216.001889	216	84	Trace	0.15	Seconds	alpha	6.906	100.0%
Po	218.0089	218	84	Trace	3.11	Minutes	alpha	6.114	100.0%

There are no minerals containing Polonium (Po)