Answer: The nuclear equation is [tex]^{180}_{173}Tl \rightarrow ^{180}_{173}Tl + ^{0}_{0}\gamma[/tex].
Explanation:
A nuclear reaction in which a heavy particle splits into another particle along with release of energy is called a nuclear fission reaction.
For example, [tex]^{180}_{173}Tl \rightarrow ^{180}_{173}Tl + ^{0}_{0}\gamma[/tex]
Here, energy is radiated in the form of gamma radiation.
Thus, we can conclude that the nuclear equation is [tex]^{180}_{173}Tl \rightarrow ^{180}_{173}Tl + ^{0}_{0}\gamma[/tex].