Physics 5054 · O Level · The nucleus

The nucleus — practice question

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 $146$

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