U- 235 is a fissile isotope, meaning that it can split into smaller molecules when a lower-energy neutron is fired at it. … U- 238 is a fissionable isotope, meaning that it can undergo nuclear fission, but the neutrons fired at it would need much more energy in order forRead More →

Short answer: Yes. Longer answer: Isotopes are atoms of the same element that have different numbers of neutrons in their nuclei. Can an isotope also be an ion quizlet? An ion is an atom of the same element that has different numbers of electrons. An isotope is an atom ofRead More →