Concept explainers
Interpretation:
The equation for the reaction when
Concept introduction:
The elements whose nucleus decays spontaneously are known as radioactive elements. The decay is accompanied by the emission of alpha particles, beta particles, and gamma rays. All the elements which have an

Answer to Problem 54E
The equation for the reaction when
Explanation of Solution
When the reactant is bombarded by a single neutron,
The total mass of the reactants is calculated as shown below.
The mass number of
The mass number of
Substitute the mass of
During this fission,
The total mass of the products is calculated as shown below.
The mass number of
The mass number of
Substitute the mass of
The total mass of the emitted neutrons is calculated as shown below.
The mass number of
The mass number of
Therefore, two neutrons will be emitted during the fission reaction. The reaction is written as shown below.
The equation for the reaction when
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Chapter 20 Solutions
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