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...ie Curie|Maria Skłodowska-Curie]]: in Physics 1903, for the discovery of [[radioactivity]]; and in Chemistry 1911, for the isolation of [[radium|pure radium]]

The first 94 elements occur naturally on [[Earth]], although the [[radioactivity|radioactive]] elements [[technetium]], ''Z''=43, [[promethium]] ''Z''=61, [

* [[Template:Instrumentation for radioactivity/Metadata]]

...411 [[MeV]] of [[Gamma ray|gamma radiation]], significantly increasing the radioactivity of the weapon's [[Nuclear fallout|fallout]] for several days. Such a weapon

== Use of radioactivity in biology ==

...ntists continued during the Third Republic. [[Henri Becquerel]] discovered radioactivity in uranium salts and thus ushered in the atomic age. [[Pierre Curie|Pierre]