Solved

Iodine-131, T1/2 = 8

Question 52

Multiple Choice

Iodine-131, t1/2 = 8.0 days, is used in diagnosis and treatment of thyroid gland diseases. If a laboratory sample of iodine-131 initially emits 9.95 × 1018 β particles per day, how long will it take for the activity to drop to 6.22 × 1017 β particles per day?


A) 2.0 days
B) 16 days
C) 32 days
D) 128 days
E) None of these choices are correct.

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q47: The radioisotope <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8248/.jpg" alt="The radioisotope

Q48: Which of the following materials is put

Q49: All the disintegrations of a sample of

Q50: In living organisms, C-14 atoms disintegrate at

Q51: The radioisotope <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8248/.jpg" alt="The radioisotope

Q53: So-called "magic numbers" of particles are thought

Q54: Which of the following cannot be an

Q55: The isotope <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8248/.jpg" alt="The isotope

Q56: A scintillation counter<br>A)measures the signal coming from

Q57: The isotope <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8248/.jpg" alt="The isotope