1. Use the tab called IrFission lDine Nucleus" to answer these questions: a. Try to figure out how you can make U-235 unstable. (5 pts) b. How do you know it's unstable? (5 pts} c. Describe what you would do to make U235 unstable, both in terms of what you see and do in the simulation and what this represents, physically. (5 pts) {1. In your own words, what does "unstable" mean when used to describe Uranium? {5 pts) 2. Imagine that you have many U235 atoms and you fire a neutron at one of them. What do you think will happen? Explain your prediction using words and drawings