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Actinium

What the name means: The name actinium derives from the Greek word aktinos, meaning "ray".

Actinium

Actinium atom

Actinium atom

 

 

Actinium is a radio active element that is found in trace amounts in uranium ores, such as pitchblende.

RA

 

Who identified actinium?: Actinium was identified in 1899 in Paris by a friend of Marie and Pierre Curie, André-Louis Debierne. Debierne analysed pitchblende and discovered a new radio active element that glowed in the dark.

 

Properties

ACPROPS

STP = standard temperature and pressure.
Usually considered as room temperature and pressure.

 

About actinium: Actinium is a rare, silvery-white, soft metal that occurs in uranium ores.

 

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