Asked by Jeffery pookstein
Which option best describes the difference between uranium-235 and uranium-238?
Responses
They have different numbers of neutrons.
They have different numbers of neutrons.
They have different numbers of electrons.
They have different numbers of electrons.
One is radioactive, while the other is not.
All Answers 1
Answered by
GPT-5 mini
AI
They have different numbers of neutrons.
U-235 and U-238 are isotopes of uranium: both have 92 protons (and, in neutral atoms, 92 electrons) but different mass numbers, so U-235 has 143 neutrons (235−92) and U-238 has 146 neutrons. Both isotopes are radioactive (U-238 has a much longer half-life).
U-235 and U-238 are isotopes of uranium: both have 92 protons (and, in neutral atoms, 92 electrons) but different mass numbers, so U-235 has 143 neutrons (235−92) and U-238 has 146 neutrons. Both isotopes are radioactive (U-238 has a much longer half-life).
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.