MCAT Question of the Day
    •

    Q:

    		 A scientist begins with 120kg of a radioactive substance. If the halflife of this substance is 5 minutes and the scientist waits 30 minutes, approximately how much of the substance will be remaining?
    		 

    A

    		 2000mg

    B

    		 2000g

    C

    		 3000g

    D

    		 3kg



    Nuclear Chemistry |
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