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 Form 4 Chemistry: Radioactivity Questions and Answers

(a) Give the symbols of the two charged particles emitted by a radioactive isotope.
(b) An isotope #overset 210 82 Pb# disintegrates by emitting two beta particles.
Determine the mass number and atomic number of the resulting nuclide.
-mass number:
-atomic number:

 (2m 53s)
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