21. Nuclear Chemistry
Rate of Radioactive Decay
28PRACTICE PROBLEM
Calculate the time it will take for the amount of Niobium-92 to reach 25.0% of its initial amount. The half-life of Nb-92 is 34.7 million years.
Calculate the time it will take for the amount of Niobium-92 to reach 25.0% of its initial amount. The half-life of Nb-92 is 34.7 million years.
ANSWERS OPTIONS
A
1.44×107 years
B
3.27×107 years
C
6.94×107 years
D
5.50×107 years