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Term | Definition |
---|---|
Aufbau Principle | In atoms in their ground state electrons occupy lowest available energy levels |
Hund's Rule of Maximum Multiplicity | Electrons fill orbitals singly before filling in pairs |
Pauli Exclusion Principle | No more than two electrons may occupy an orbital and they must have opposite spin |
Heisenberg's Uncertainty Principle | It is impossible to know both the velocity and position of an electron at the same time |
Orbital | A region in space with a high probability of finding an electron |
Sub-level | A subdivision of a main energy level consisting of one or more orbitals of the same energy |