
(a)
Interpretation:
The nuclear reaction is to be completed.
Concept Interpretation:
The process of radioactive decay is how an unstable atomic nucleus loses energy through radiation. A substance that has unstable nuclei is regarded as radioactive.
(a)

Answer to Problem 59A
The balance
Explanation of Solution
Note that the reactant's mass number is
The complete and balanced nuclear equation is:
Hence, the missing particle is
(b)
Interpretation:
The nuclear reaction is to be completed.
Concept Interpretation:
The process of radioactive decay is how an unstable atomic nucleus loses energy through radiation. A substance that has unstable nuclei is regarded as radioactive.
(b)

Answer to Problem 59A
Explanation of Solution
In order to determine the unknown isotope which is decaying, at first we must determine its
The complete and balanced nuclear equation is:
(c)
Interpretation:
The nuclear reaction is to be completed.
Concept Interpretation:
The process of radioactive decay is how an unstable atomic nucleus loses energy through radiation. A substance that has unstable nuclei is regarded as radioactive.
(c)

Answer to Problem 59A
The missing elements is
Explanation of Solution
The reactant's mass number is
The complete and balanced nuclear equation is:
(d)
Interpretation:
The nuclear reaction is to be completed.
Concept Interpretation:
The process of radioactive decay is how an unstable atomic nucleus loses energy through radiation. A substance that has unstable nuclei is regarded as radioactive.
(d)

Answer to Problem 59A
The missing elements is
Explanation of Solution
The reactant's mass number is
The complete nuclear equation is:
(e)
Interpretation:
The nuclear reaction is to be completed.
Concept Interpretation:
The process of radioactive decay is how an unstable atomic nucleus loses energy through radiation. A substance that has unstable nuclei is regarded as radioactive.
(e)

Answer to Problem 59A
The missing element is
Explanation of Solution
In order to determine the unknown isotope which is decaying, we first must determine its atomic and mass numbers.
To write the missing symbol in the nuclear radiation, we should make sure the mass numbers and atomic numbers of the reactants sum up to the mass numbers and atomic numbers of the products.
Mass Number:
Atomic number:
We can find this element in the periodic system of elements by its atomic number which has a value of 79 and this isotope that decay is gold
The complete and balanced nuclear equation is:
Chapter 25 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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