CBSE Class 12-science Answered
The half life of radium is 1600 years . In how many years will !g of radium loses 1 centigram
weight of radon = 222 and Avogadro"s number = 6.025 x 10 raise to 23
Asked by rutujasarangmehta | 15 Mar, 2016, 07:21: PM
Expert Answer
Answered by Romal Bhansali | 16 Mar, 2016, 01:27: PM
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