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The Half-Life a Particular Isotope of Barium Is 12 S

Question 4

Multiple Choice

The half-life a particular isotope of barium is 12 s. What is the activity of a 1.0 × 10^-⁶ kg sample of this isotope?

A) 1.2 × 10¹⁵ Bq
B) 1.8 × 10¹⁶ Bq
C) 2.5 × 10¹⁷ Bq
D) 3.6 × 10¹⁸ Bq
E) 6.0 × 10²³ Bq

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