The half life of polonium is 140 days. In what time will 15 g of polonium be disintegrated out of its initial mass of 16 g?

The half life of radium is 1600 years . In how much time will its (15)/( 16) fraction disintegrate ?

The half life of a radioactive isotope 25 days . After what time it will disintegrate 75%

The half-life of pononium is 140 days. After how many days. 16 gm polonium will be reduced to 1 gm (or 15 gm will decay) ?

The half-life of pononium is 140 days. After how many days. 16 gm polonium will be reduced to 1 gm (or 15 gm will decay) ?

Half life of a radioactive element is 16 hrs. What time will it take for 75% disintegration ?

The half life of a radioactive substance is 30 days. What is the time taken to disintegrate to 3//4^(th) of its original mass ?

The half life of a radioactive substance is 30 days. What is the time taken to disintegrate to 3//4^(th) of its original mass ?

Half life of radioactive element is 100 yrs. The time in which it disintegrate 50% of its mass will be

The half-life of a radioactive substance is 48 hours. How much time will it take to disintegrate to its (1)/(16) th parts ?