Nuclear Decay and Radioactivity (4E)
Chem & Physics · Flashcards
CHEM & PHYSICS · FLASHCARDS
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QUESTION
Identify the daughter nuclide after
b
e
t
a
−
beta^-
b
e
t
a
−
decay:
6
14
C
→
?
^{14}_{6}\text{C} \to \ ?
6
14
C
→
?
QUESTION
What particle is emitted in $ a$ decay, written in nuclide notation?
QUESTION
What is the relationship between half-life
t
1
/
2
t_{1/2}
t
1/2
and decay constant
λ
\lambda
λ
?
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ANSWER
t
1
/
2
=
ln
2
λ
t_{1/2}=\frac{\ln 2}{\lambda}
t
1/2
=
λ
l
n
2
. Half-life inversely relates to the decay constant, where
l
n
2
ln 2
l
n
2
arises from solving for half remaining nuclei.
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