a)
Interpretation:
The balanced nuclear reaction has to be written.
Concept Introduction:
Balanced nuclear reaction:
For a balanced
Beta decay:
The
Where the electron
b)
Interpretation:
The fraction of
Concept Introduction:
Half-life:
The time required to reduce a radioactive isotope to half of its initial value.
For non-integral number:
For a non-integral number of half-lives, the fraction of radioisotope remaining is
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