CBSE Class 12-science Answered
The half life of radio active radon is 3.8 days. find the activity of 10g of radon, given , atomic weight of radon = 222 and Avagadro's number = 6.025 x 10 raise to 23
Asked by rutujasarangmehta | 15 Mar, 2016, 07:24: PM
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Answered by Romal Bhansali | 17 Mar, 2016, 01:03: PM
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