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...e decay|radioactivity]] (''A''). 1 Bq is defined as the [[Frequency|number of times]] a [[Atomic nucleus|nucleus]] decays every [[second]]. ...how fast]] radioactive decay occurs over time, which depends on the nature of the radioactive sample, particularly the constituent [[isotopes]].<ref name ...

{{redirect|Kilo|unit of mass|Kilogram}} ...e]]), [[candela]] ([[luminous intensity]]), [[Mole (unit)|mole]] ([[amount of substance]]) and [[kilogram]] ([[mass]]). ]] ...

| birth_place = [[Ulm]], [[Kingdom of Württemberg]], [[German Empire]] ...=Heilbron |editor-first=John L. |title=The Oxford Companion to the History of Modern Science |url=https://books.google.com/books?id=abqjP-_KfzkC&pg=PA233 ...