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The Half-Life of Neptunium-231 Is 50

Question 80

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The half-life of neptunium-231 is 50.0 min.How many minutes will it take for 5.0 g of this isotope to decay to 0.16 g?


A) The half-life of neptunium-231 is 50.0 min.How many minutes will it take for 5.0 g of this isotope to decay to 0.16 g? A) × 10<sup>2</sup> min B) × 10<sup>2</sup> min C) 1.50 × 10<sup>2</sup> min D) 4.00 × 10<sup>2</sup> min E) × 10<sup>2</sup> min × 102 min
B) The half-life of neptunium-231 is 50.0 min.How many minutes will it take for 5.0 g of this isotope to decay to 0.16 g? A) × 10<sup>2</sup> min B) × 10<sup>2</sup> min C) 1.50 × 10<sup>2</sup> min D) 4.00 × 10<sup>2</sup> min E) × 10<sup>2</sup> min × 102 min
C) 1.50 × 102 min
D) 4.00 × 102 min
E) The half-life of neptunium-231 is 50.0 min.How many minutes will it take for 5.0 g of this isotope to decay to 0.16 g? A) × 10<sup>2</sup> min B) × 10<sup>2</sup> min C) 1.50 × 10<sup>2</sup> min D) 4.00 × 10<sup>2</sup> min E) × 10<sup>2</sup> min × 102 min

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