Question

The half-life of the radioactive isotope silver-104 is 30 minutes. After how many minutes will about 20 grams of a 40-gram sample of the silver-104 isotope remain?

Select one:
a. 0
b. 60
c. 90
d. 30​

Answer 1

d

Step-by-step explanation:

The amount of time it will take for the 40g sample to get cut in half is 30 minutes