| A | B |
|---|
| Heisenburg uncertainty principle | It is impossible to know both the position and the momentum of an electron at the same time. |
| Principle quantum number | n, represents the energy levels. |
| Bohr Model | Electrons rotate around the nucleus in orbits.These orbits have a specific energy. |
| Quantum Mechanical Model | The modern model of the atom based on the Schrodinger equation. |
| p orbital |  |
| s orbital |  |
| dyz orbital |  |
| dz2 orbital |  |
| Orbital | A region in space where there is a high probability of finding an electron. |
| s-sublevel capacity | 2 electrons |
| p-sublevel capacity | 6 electrons |
| d-sublevel capacity | 10 electrons |
| f-sublevel capacity | 14 electrons |
| Number of orbitals in a p-sublevel | 3 orbitals |
| Number of orbitals in an s sublevel | 1 orbital |
| 7 orbitals | Number of orbitals in the f-sublevel |
| 5 orbitals | Number of orbitals in a d sublevel |
 | The maximun number of electrons in an energy level |
| Element in the s-block | K |
| Element in the p-block | Cl |
| Copper | Element in the d-block |
| Pr | Element in the f-block |
