A nucleus of a uranium isotope contains $238$ nucleons, and $146$ of them are neutrons. Which nucleus represents another isotope of uranium?
- Anumber of nucleons $235$, number of neutrons $143$
- Bnumber of nucleons $237$, number of neutrons $147$
- Cnumber of nucleons $238$, number of neutrons $144$
- Dnumber of nucleons $241$, number of neutrons $146$