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e- and the per.table
Chapter 5 Review
| Question | Answer |
|---|---|
| A packet of light energy that carries a quantum of energy | photon |
| The state when all electrons of an atom are in the lowest possible energy levels | ground state |
| When an electron jumps up to a higher energy level | excited state |
| The scientist who applied Einstein's particle wave theory | Luis de Brogile |
| The theory that it is impossible to know both the position and the speed of an electron simultaneously. | Heisenberg Uncertainty Principle |
| The theory that no two electrons in an atom can share the same 4 quantum numbers | Pauli Exclusion Principle |
| The theory that electrons fill the lowest energy orbitals first. | Aufbau Principle |
| The theory that, within a sublevel, electrons prefer to occupy their own orbitals first | Hund's Rule |
| A term describing the outermost atoms | Valence-electrons |
| Positively Charged ion | Cation |
| negatively charged ion | anion |
| Most stable type of electron configuration | Full energy level (or shell) |
| Lower left-hand section of the periodic table that contains most of the elements | metals |
| Upper right-hand section of the periodic table | nonmetals |
| Elements in the "D-block" | Transition metals |
| Elements in the "P-block" and "S-block" | Main group elements |
| A three-dimensional region in space where an electron is likely to exist | orbital |
| The process by which core electrons partially block the attraction between the nucleus and valence electrons | shielding |
Created by:
ninjaashes