Tritium, ^31 H, is one of the nuclei used in fusion...

Tritium, $^{3}_{1} \mathrm{H},$ 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 $_{3}^{6}$ Li with a neutron produces tritium and an $\alpha$ particle. Write an equation for this nuclear reaction.

Key Concepts

Nuclear Symbolism and Notation

Nuclear reactions are written using a notation that specifies the element and its isotope. This notation typically includes the mass number as a superscript and the atomic number as a subscript to the chemical symbol. This standardized symbolic representation allows for clear communication about which specific nuclei are involved, without ambiguity.

Neutron-induced Reactions in Nuclear Physics

A neutron-induced reaction occurs when a neutron interacts with a nucleus, often resulting in a transformation that produces different nuclei or particles. Because neutrons carry no electric charge, they can penetrate nuclei more easily than charged particles, making these reactions important in both energy generation and the synthesis of certain isotopes in laboratory and reactor settings.

Nuclear Reaction Equation Balancing

In any nuclear reaction, both the total mass number (the sum of protons and neutrons) and the atomic number (the number of protons) must be conserved. This means that when writing a nuclear reaction equation, one must ensure that the sum of the mass numbers and the sum of the atomic numbers on the reactant side are equal to those on the product side, mirroring the conservation of nucleons and electrical charge.

Fusion Reactions

Fusion reactions involve the combination of light nuclei to form a heavier nucleus along with the release of energy. This process is key in fields such as astrophysics and energy generation. In a fusion reaction, understanding the initial nuclei and the resulting products is essential to evaluate the energy balance and reaction feasibility.

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