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Periodic Table
Periodic Table Basics
| Question | Answer |
|---|---|
| Proton | Element's Identity |
| Valence Electrons | Reactivity or Chemical/Physical Properties |
| Periods | The rows that go side to side on the periodic table |
| Nucleus | Where an atom's mass is located; Positive charge |
| Electrons | Are smaller than protons or a neutrons and have a negative charge |
| Neutrons | Have a neutral charge and the same mass as a proton |
| Electron Cloud | Is mostly empty space where electrons are located |
| Period Number | Is equal to the number of energy levels |
| Group Number | Is equal to the number of valence electrons |