Author Question: Which uranium isotope has the largest cross section for slow neutrons? A) U-236 B) U-238 C) ... (Read 82 times)

segrsyd · **on:** Jul 27, 2018

Which uranium isotope has the largest cross section for slow neutrons?

A) U-236
B) U-238
C) U-237
D) U-235
E) U-239

Question 2

Marie & Pierre Curie

A) discovered radioactivity.
B) proposed the plum-pudding model.
C) proposed the tiny central nucleus idea.
D) observed back-scattering from nuclei.
E) discovered radium and polonium.