The Half- Life of Radium Is

question 55

Multiple Choice

The half- life of radium is

• A) half of the total time during which a quantity of radium will radioactively decay.
• B) the time during which half of a large number of radium atoms will decay.
• C) half the lifetime of the individual radium atom.
• D) the life- time of the individual radium atom.
• E) the time after which an individual radium atom splits in half.

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