Multiple Choice
If we start with 1.000 g of strontium- 90, 0.908 g will remain after 4.00 yr. This means that the half- life of strontium- 90 is _ yr.
A) 28.8
B) 4.40
C) 41.6
D) 3.63
E) 3.05
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q13: How many neutrons are emitted when a
Q14: What drives the turbine in a nuclear
Q17: Bombardment of uranium- 238 with a deuteron
Q18: Carbon- 11 is used in medical imaging.
Q19: Which one of the following is a
Q20: Who is credited with first achieving fission
Q71: What happens to the atomic mass number
Q98: The use of radioisotopes in tracing metabolism
Q111: The SI unit of an absorbed dose
Q164: What exposure level to radiation is fatal