Curie

:For other uses, see Curie (disambiguation).

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The curie (symbol Ci) is a former unit of radioactivity, defined as 3.7×1010 decays per second. This is roughly the activity of 1 gram of the radium isotope 226Ra, a substance studied by the pioneers of radiology, Marie and Pierre Curie (the unit is named after Pierre Curie). The curie has been replaced by an SI derived unit, the becquerel (Bq), which equates to one decay per second. Therefore 1 curie is 37 gigabecquerels (GBq) exactly and 1 Bq = 2.7027×10-11 Ci (for greater accuracy, the "027" is a repeating decimal).

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Radioactivity: Radioactivity may mean:...

Decay: Decay may refer to:...

Second: :This article is about the unit of time. For other uses, see second (disambiguation)....

Curie related Images and Photos (experimental)

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