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einsteindude einsteindude
wrote...
Posts: 5058
9 years ago
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) 130.       B) 129.       C) 131.       D) 127.       E) 132.
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
Authors:
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mel!811mel!811
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9 years ago
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