Multiple Choice
Phosphorous-32 is a beta emitter with a half-life of 14.3 days.After 42 days, a 100-mg sample will have decayed to 25 mg.Which statement BEST describes where the rest of the 32P went?
A) It disappeared.
B) It reacted with air.
C) It turned into sulfur and a beta particle.
D) It turned into silicon and a beta particle.
E) It decomposed into beta particles.
Correct Answer:

Verified
Correct Answer:
Verified
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