

MCQOPTIONS
Saved Bookmarks
1. |
The half-life of radium (226) is 1620 years. The time taken to convert 10 grams of radium to 1.25 grams is [MP PET 1994; UPSEAT 2001] |
A. | 810 years |
B. | 1620 years |
C. | 3240 years |
D. | 4860 years |
Answer» E. | |