February 20, 2017

Homework Help: chem

Posted by lisa on Tuesday, October 5, 2010 at 8:59pm.

Po-218 is an alpha emitter with a half-life of 3.0 minutes. If a sample contains 69 mg of Po-218, how many alpha emissions would occur in 6.0 minutes?

the answer has to be _________a emmisions (which I have no idea what it means)
and I use a chart thing with amount, #H-L, and time passed as the collums.

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