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'''Activity''' is the rate of [[disintegration]] (transformation) or [[decay]] of [[radioactive]] material per unit time. The units of activity are the [[curie]] (Ci) and the [[becquerel]] (Bq).
'''Activity''' is the rate of [[disintegration]] (transformation) or [[decay]] of [[radioactive]] material per unit time. The units of activity are the [[curie]] (Ci) and the [[becquerel]] (Bq).
== Sources ==
[http://www.nrc.gov/reading-rm/basic-ref/glossary/activity.html NRC Glossary]
[[Category:Radioactivity]]
[[Category:Radioactivity]]