   Chapter 25, Problem 58GQ

Chapter
Section
Textbook Problem

Tritium, H 1 3 , is one of the nuclei used in fusion reactions. This isotope is radioactive, with a half-life of 12.3 years. Like carbon-14, tritium is formed in the upper atmosphere from cosmic radiation, and it is found in trace amounts on Earth. To obtain the amounts required for a fusion reaction, however, it must be made via a nuclear reaction. The reaction of L 3 6 i with a neutron produces tritium and an α particle. Write an equation for this nuclear reaction.

Interpretation Introduction

Interpretation:

A balanced equation for the given nuclear reaction has to be written.

Concept introduction:

Balancing nuclear reaction equation: The balanced nuclear reaction should conserve both mass number and atomic number.

• The sum of the mass numbers of the reactants should be equal to the sum of mass numbers of the products in the reaction.
• The sum of atomic numbers (or the atomic charge) of the reactants should be equal to the sum of atomic numbers (or the atomic charge) of the products in the reaction.
Explanation

The bombardment of neutron with Li-6 produces tritium with an emission of an alpha particle. On writing the equations, the sum of atomic and mass number must be equal.

The balanced equation as follows,

L36i+

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