The Decay Constant of Radon Is 0

question 13

Multiple Choice

The decay constant of radon is 0.181 day s^-1. A sample of radon contains 6.00 × 10⁸ radon atoms. How many atoms are left after 10.0 days?

• A) 9.82 × 10⁷
• B) 7.67 × 10⁷
• C) 8.34 × 10⁸
• D) 7.29 × 10⁸
• E) 8.56 × 10⁸

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