Multiple Choice
At Chernobyl, one of the harmful radioactive isotopes was 131I, a beta emitter with a halflife of 8 days. The mass number of the nucleus that remains after this isotope decays is
A) 131.
B) 129.
C) 132.
D) 130.
E) 127.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q42: If you start with one gram of
Q43: One of the radioactive isotopes that fell
Q44: Except for such nuclear processes as nuclear
Q45: Nuclear energies are much larger than chemical
Q46: Except for such nuclear processes as nuclear
Q48: A saber- toothed- tiger's bones contain 1/32
Q49: We cannot predict the precise decay time
Q50: Radioactive dating methods and other dating methods
Q51: According to most scientists, when did the
Q52: <sup>234</sup><sup> </sup>Th beta- decays. The resulting nucleus