1 Add edbout 20 atoms of Uranium- 238 (yellow). Slide the blue tab for U-238 over. Click the red button on the gun to fire & neutron of the U-236. Five several neutrons at different atom! of U-238. Click and hold on the end of the gun to change the sim. 2. What happens to U-238 when a neutron hits the atom? 3. Click ragetall . Add about 20 atoms of Urmium- 235 (green) Slide the blue tab for U-235 over. Click the red button on the gun to fire a neutron at the U-235. 4. What happens to U-235 when : neutron hits the scom? 3. Repeat step 3, dos the U-233 split when only one neutron is fired from the gun? 6. Repeat step S, however, now set the blue tab for U-235 to 50 atoms. 7. How many of the U-233 are left after one neutron is fired from the gun