What is the longest lasting synthetic periodic element, Physics

Q. What is the longest lasting synthetic periodic element?

Answer:-            

A excellent candidate would be curium 247 (247Cm) which has a half-life of 1.56 × 107 years. That is 15600000 years (15.6 million years).

Posted Date: 7/18/2013 5:12:49 AM | Location : United States







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