A Particular Isotope Has a Half-Life of 10 Minutes

question 43

Multiple Choice

A particular isotope has a half-life of 10 minutes. If we start with 2,000 atoms now, in a half hour we will have how many atoms left?

• A) 2,000 atoms
• B) 1,000 atoms
• C) 500 atoms
• D) 250 atoms
• E) 125 atoms

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