For Tom
| Front | What is the electromagnetic force and its force carrier? |
| Back | When charged particles repel or attract each other by exchanging virtual photons |
| Extra |
| Front | What is the only stable baryon? |
| Back | The proton is the only stable baryon,therefore all baryons will eventually decay into a proton either directly or indirectly. |
| Extra |
| Front | What hadrons and leptons do not decay and why? |
| Back | |
| Extra |
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