Nuclear Reactions Practice 1. How many protons does phosphorus-31 have in its nucleus? 46 31 16 15Question 1 of 10 2. What’s the mass number of this isotope? 13 25 38 12Question 2 of 10 3. What nuclear particle balances this reaction correctly? gamma neutron alpha betaQuestion 3 of 10 4. Which choice balances the nuclear reaction correctly? Question 4 of 10 5. What type of nuclear reaction is this? alpha decay fission beta decay fusion gamma decayQuestion 5 of 10 6. What nuclear particle balances this reaction correctly? alpha neutron beta gammaQuestion 6 of 10 7. How many protons does have in its nucleus? 22 48 26 70Question 7 of 10 8. Which choice balances the nuclear reaction correctly? Question 8 of 10 9. Which choice balances the nuclear reaction correctly? Question 9 of 10 10. What’s the symbol for an isotope with 20 protons and 30 neutrons? Question 10 of 10 Loading…