Atomic Nucleus & Radioactivity

1) State whether or not each of the following isotopes would be radioactive:

1. carbon-12 e. europium
   

b. uranium f. curium

c. iridium g. carbon-14

d. bismuth h. polonium


2) What is the particle emitted when plutonium-244 decays into americium-244?



3) What is the particle emitted when proactinium-231decays into actinium-227?



4) What is the particle emitted when neodymium-144 decays into promethium-144?



5) Write the nuclear equation for the decay of californium-251 with the emission of alpha particles.



6) Write the nuclear equation for the decay of tin-122 with the emission of beta particles.



7) Write the nuclear equation for the decay of radium-228 with the emission of alpha particles.



8) Write the nuclear equation for the decay of astatine-210 with the emission of beta particles.



9) Write the nuclear equation for the fissioning of uranium-235 via neutrons, producing barium–141 & krypton–92.




10) On the back of this sheet, briefly summarize (in table form) the pros & cons of each type of energy source.