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Nuclear 1
| Question | Answer |
|---|---|
| Factors affecting nuclear stability | proton:neutron ratio size of the nucleus |
| natural transmutation | when an unstable nucleus emits a particle to become more stable |
| Uranium | largest naturally occurring element |
| radioisotope | radioactive isotope |
| Decay mode | type of particle emitted from a radioisotope |
| alpha particle | helium nucleus |
| beta particle | electron (-) or positron (+) |
| gamma radiation | pure energy |
| penetration | ability to move in or through an object |