MCAT Question of the Day
    •

    Q:

    		 The half-life of 164Gd is 45 seconds. How long would it take a sample of 5 x 108 nuclei to decay to 2 x 106 nuclei?
    		 

    A

    		 45 seconds

    B

    		 3 minutes

    C

    		 4.5 minutes

    D

    		 6 minutes



    Nuclear Chemistry | Quantitative Skills |
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