Which of the following is NOT true:

W) the hydrogen nucleus has a lower binding energy per nucleon than the helium nucleus

X) the tritium nucleus contains 3 nucleons

Y) it is typically easier to fission U-238 than U-235 with slow neutrons

Z) fission fragments of a nucleus are more often about 60% and 40% of the original mass of the atom than 50% and 50%
Y) IT IS TYPICALLY EASIER TO FISION U-238 THAN U-235 WITH SLOW NEUTRONS