Answer:
![(131)/(53) I](https://img.qammunity.org/2022/formulas/chemistry/high-school/560wl8yuqal9kmb9rb5mhgkjjsaqa0h4br.png)
Step-by-step explanation:
A naturally occurring element is an element that is not produced in a nuclear reaction.
Most of the trans-uranium elements are not natural, they are all synthetic elements which are produced as a result of nuclear reactions. They are unknown in nature.
Apart from
, all other radioisotopes listed among the options are not natural elements.They are products of nuclear reactions.