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5 votes
after 252 days, a 12.0-g sample of the radioisotope scandium-46 contains only 1.5 g of the isotope. what is the half-life of scandium-46

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User Damiani
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1 Answer

7 votes
12➡6➡3➡1.5
① ② ③
3 half life = 252
half life = 84days
answered
User Slowik
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