Multiple Choice
It takes 6400 years for one gram of radium to decay away to only 1/16-one- sixteenth-of a gram. The half- life of radium is
A) not possible to determine from this information.
B) 800 years.
C) 400 years.
D) 3200 years.
E) 1600 years.
Correct Answer:
Verified
Correct Answer:
Verified
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