| A | B |
|---|
| Proton | Positively charged sub atomic particle |
| Neutron | Neutrally charged subatomic particle |
| Electron | Negatively charged subatomic particle |
| Nucleus | Dense / positively charged center of an atom |
| Electron Cloud | Mostly empty space around the nucleus |
| Quarks | Particles that make up protons, neutrons & electrons |
| Strong Force | Holds the nucleus' particles together |
| Attractive Charges | + protons & - electrons |
