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| Electron Configuration | 27 mins | 0 completed | Learn Summary |
| Paramagnetic and Diamagnetic | 10 mins | 0 completed | Learn Summary |
| Effective Nuclear Charge | 25 mins | 0 completed | Learn |
| The Spin Quantum Number | 9 mins | 0 completed | Learn |
| Orbital Shapes | 5 mins | 0 completed | Learn Summary |
| Periodic Trends: Atomic Radius | 4 mins | 0 completed | Learn |
| Periodic Trends: Ionic Radius | 6 mins | 0 completed | Learn Summary |
| Periodic Trends: Ionization Energy | 20 mins | 0 completed | Learn Summary |
| Periodic Trends: Electron Affinity | 12 mins | 0 completed | Learn Summary |
| Additional Practice |
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| Orbital Diagrams |
| Coulomb's Law |
| Quantum Numbers |
| Periodic Trends |
| Periodic Trends: Metallic Character |
| Additional Guides |
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| Atomic Radius |
| Ionization Energy |
Cesium tends to be the most reactive of the stable alkali metals (francium, Fr, is radioactive and has not been extensively studied).
What atomic property of Cs is most responsible for its high reactivity?
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