Phosphorous - 32 Has a Half-Life of 14

question 11

Multiple Choice

Phosphorous - 32 has a half-life of 14.3 days. How many days are required for 4.00 grams of phosphorous - 32 to decay to 1.00 gram?

• A) 1.80 days
• B) 16.1 days
• C) 28.6 days
• D) 42.9 days
• E) 57.2 days

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